Author: Arella Sun Publish Time: 2026-08-18 Origin: Unionchem
Table of Contents
Every cosmetic chemist working on haircare formulations eventually encounters the same problem: the thickener that works beautifully in a shampoo causes precipitation in a conditioner. The stabilizer that holds a serum together at pH 5 fails completely in a leave-on treatment at pH 4. The rheology modifier that performs perfectly in a sulfate-based system behaves unpredictably in a sulfate-free one.
The root cause of most of these problems is ionic charge. Most high-performance cosmetic thickeners — xanthan gum, carbomer, CMC — are anionic. They carry a negative charge in solution. And the moment they encounter a cationic ingredient — a conditioning surfactant, a cationic polymer, a quaternary ammonium compound — the opposite charges attract, and the formulation can become unstable.
Hydroxyethyl Cellulose (HEC) solves this problem at its root. HEC carries no ionic charge in solution. It is non-ionic — completely neutral — and therefore does not interact electrostatically with any other ingredient in the formulation. It thickens reliably in cationic conditioners, in high-salt shampoos, in acidic scalp treatments, and in complex multi-active personal care products where anionic thickeners would fail or require careful management.
This guide is for cosmetic chemists and personal care product developers working on shampoos, conditioners, body washes, scalp treatments, and other haircare and skincare formulations. It covers how HEC works as a thickener in personal care, its specific advantages in cationic systems, grade selection, dosage, processing, compatibility, and how it compares with xanthan gum and other thickeners for your specific application.
Unionchem supplies HEC across a full range of viscosity grades for personal care applications:Hydroxyethyl Cellulose (HEC) — Unionchem Product Page
To understand why HEC is uniquely valuable in personal care formulation, it helps to understand the charge landscape of a typical haircare product.
A rinse-off conditioner contains:
Cationic surfactants (behentrimonium chloride, cetrimonium chloride, BTAC): positively charged; these are the primary conditioning agents that deposit on negatively charged hair
Cationic polymers (polyquaternium-10, polyquaternium-7, guar hydroxypropyltrimonium chloride): positively charged; these provide additional conditioning, detangling, and film-forming
Fatty alcohols (cetyl alcohol, stearyl alcohol): neutral; these form the lamellar gel network that gives conditioner its creamy texture
Silicones (dimethicone, amodimethicone): neutral to slightly anionic
Preservatives, fragrance, actives: variably charged
In this environment, an anionic thickener like xanthan gum or carbomer will interact electrostatically with the cationic surfactants and cationic polymers. At low concentrations, this interaction may be manageable. At higher concentrations — or in formulations with multiple cationic ingredients — it can cause precipitation, viscosity loss, or phase separation.
HEC, being non-ionic, interacts with none of these components electrostatically. It thickens the aqueous phase independently of the charge state of every other ingredient. This is not a minor convenience — it is the fundamental reason HEC is the standard thickener in conditioner formulations globally.
A shampoo is primarily anionic (SLS, SLES, sodium cocoyl isethionate) or amphoteric (cocamidopropyl betaine), but it also contains:
NaCl (salt): used to thicken anionic surfactant systems through the Hofmeister effect; high salt concentrations can reduce the effectiveness of anionic thickeners
Cationic conditioning agents (silicones, cationic polymers): added for conditioning benefit; interact with anionic thickeners
Preservatives: often cationic or amphoteric
Actives (zinc pyrithione, salicylic acid, ketoconazole): variably charged
HEC's non-ionic character makes it compatible with all of these components simultaneously — a significant advantage in complex shampoo formulations.
HEC is used in shampoos as a secondary thickener and suspension stabilizer, complementing the primary thickening provided by the surfactant system and NaCl.
In sulfate-based shampoos (SLS/SLES): The primary thickening mechanism is salt thickening — NaCl increases the viscosity of anionic surfactant micelles. HEC is used at low levels (0.1%–0.3%) to provide additional viscosity stability, improve suspension of conditioning agents (silicones, oils), and reduce the sensitivity of the formulation to temperature variation.
In sulfate-free shampoos: This is where HEC becomes particularly valuable. Sulfate-free surfactant systems (sodium cocoyl isethionate, sodium lauroyl methyl isethionate, sodium cocoamphoacetate) do not self-thicken with NaCl as effectively as SLS/SLES systems. HEC at 0.3%–0.6% provides the viscosity that the surfactant system cannot deliver on its own, without affecting the mildness or sensory profile of the sulfate-free formulation.
In anti-dandruff shampoos: Anti-dandruff actives — zinc pyrithione (ZPT), selenium sulfide, ketoconazole, salicylic acid — must be uniformly suspended throughout the shampoo. ZPT particles in particular are dense and settle rapidly without a suspending agent. HEC's mild yield stress (at concentrations above 0.4%) keeps ZPT particles uniformly distributed throughout the product's shelf life, ensuring consistent active delivery with every wash.
In 2-in-1 shampoo/conditioners: These formulations contain both anionic surfactants and cationic conditioning agents — a challenging combination for anionic thickeners. HEC's non-ionic character makes it the natural choice for thickening 2-in-1 systems without interacting with either the anionic or cationic components.
HEC is one of the most widely used thickeners in rinse-off conditioners globally. Its role is to thicken the aqueous continuous phase of the conditioner emulsion, providing the viscosity and body that consumers associate with an effective conditioning product.
In standard rinse-off conditioners: HEC at 0.3%–0.8% provides the bulk of the aqueous phase viscosity. The fatty alcohol (cetyl/stearyl alcohol) lamellar network provides additional structure and the characteristic creamy texture of conditioner. HEC and the fatty alcohol network work synergistically — HEC thickens the water phase, the fatty alcohol network provides the lamellar gel structure, and together they produce the viscosity and texture of the finished product.
In lightweight conditioners: For consumers who find traditional conditioners too heavy, lightweight conditioners use lower fatty alcohol levels and rely more on HEC for viscosity. HEC at 0.2%–0.4% provides adequate viscosity without the heaviness of a high-fatty-alcohol formulation.
In deep conditioning treatments and hair masks: These high-conditioning products contain elevated levels of cationic surfactants, cationic polymers, and conditioning oils. The high cationic load makes anionic thickeners problematic. HEC at 0.4%–1.0% provides the thick, rich texture expected of a deep conditioning treatment without interacting with the cationic conditioning system.
In leave-in conditioners: Leave-in conditioners must provide conditioning benefit without leaving a heavy or greasy residue on the hair. HEC at 0.2%–0.4% provides light structure and suspension stability while remaining thin enough to spread easily through wet hair and dry without residue.
Body wash formulations are primarily thickened by the surfactant system (SLES + CAPB + NaCl), but HEC is used as a secondary thickener and stabilizer in several specific situations:
Sulfate-free body washes: same rationale as sulfate-free shampoos — the surfactant system does not self-thicken adequately, and HEC provides the needed viscosity
Exfoliating body washes: HEC suspends exfoliating particles (sugar, salt, walnut shell, pumice) that would otherwise settle
Body washes with suspended beads or capsules: HEC's yield stress keeps fragrance capsules, vitamin beads, or moisturizing pearls uniformly distributed
Sensitive skin body washes: in very mild, low-surfactant formulations, HEC provides viscosity without contributing to irritation
Typical use level in body wash: 0.2%–0.5%.
Scalp treatments — leave-on products targeting dandruff, hair loss, scalp sensitivity, or oiliness — often contain actives at elevated concentrations and at pH values outside the comfort zone of anionic thickeners.
Acidic scalp treatments (pH 3.5–5.0): AHA-based scalp exfoliants, salicylic acid treatments, and acidic scalp tonics operate at pH levels where carbomer is non-functional and xanthan gum may have reduced performance. HEC provides reliable thickening across this entire pH range.
High-active scalp serums: Formulations containing minoxidil, caffeine, niacinamide, or other actives at high concentrations often have complex electrolyte profiles that challenge anionic thickeners. HEC's electrolyte tolerance makes it the safer choice.
Leave-on hair serums: Similar to skincare serums — HEC at 0.1%–0.3% provides light structure and slip without heaviness or residue on the hair.
Typical use level in scalp treatments and hair serums: 0.1%–0.4%.
Liquid hand soaps are typically anionic (potassium cocoate, sodium laureth sulfate) or amphoteric, and thickened primarily by salt. HEC is used as a secondary thickener and as a skin conditioning agent — HEC deposits a thin film on the skin that reduces the drying effect of frequent handwashing.
In alcohol-based hand sanitizers (60%–70% ethanol), most water-based thickeners are ineffective. HEC is one of the few cellulose ethers with adequate solubility in high-alcohol systems — it can provide viscosity in hand sanitizer formulations at use levels of 0.5%–1.5%.
Selecting the right HEC viscosity grade is the most important formulation decision. The grade determines the thickening efficiency, the texture contribution, and the processing requirements.
Grade | Viscosity (2% solution, Brookfield, 25°C) | Primary Personal Care Application |
Low Viscosity (LV) | 100 – 400 mPa·s | Light serums, toners, low-viscosity treatments |
Medium Viscosity (MV) | 400 – 1,500 mPa·s | Shampoos, lightweight conditioners, body wash |
High Viscosity (HV) | 1,500 – 5,000 mPa·s | Standard conditioners, deep treatments, styling products |
Extra High Viscosity (EHV) | > 5,000 mPa·s | High-build styling gels, very thick conditioners |
Shampoo (sulfate-based): MV grade at 0.1%–0.3%. The primary thickening is from the surfactant/salt system; HEC provides supplementary viscosity and suspension stability.
Shampoo (sulfate-free): MV to HV grade at 0.3%–0.6%. HEC carries more of the thickening burden in sulfate-free systems.
Rinse-off conditioner (standard): HV grade at 0.3%–0.6%. Works synergistically with the fatty alcohol lamellar network.
Deep conditioning treatment / hair mask: HV to EHV grade at 0.5%–1.0%. High cationic load requires a robust non-ionic thickener.
Leave-in conditioner: MV grade at 0.2%–0.4%. Light structure without residue.
Body wash (sulfate-free): MV to HV grade at 0.2%–0.5%.
Scalp treatment / serum: LV to MV grade at 0.1%–0.3%. Thin enough for scalp application and absorption.
Hand sanitizer (alcohol-based): HV to EHV grade at 0.5%–1.5%. Higher grade needed to achieve viscosity in high-alcohol system.
Product Type | HEC Grade | Typical Use Level | Notes |
Sulfate-based shampoo | MV | 0.10% – 0.25% | Supplements salt thickening |
Sulfate-free shampoo | MV – HV | 0.30% – 0.60% | Primary thickener contribution |
Anti-dandruff shampoo | MV – HV | 0.30% – 0.50% | ZPT suspension critical |
2-in-1 shampoo/conditioner | MV – HV | 0.20% – 0.50% | Non-ionic avoids cationic interaction |
Rinse-off conditioner | HV | 0.30% – 0.60% | Synergy with fatty alcohol network |
Deep conditioning treatment | HV – EHV | 0.50% – 1.00% | High cationic system |
Leave-in conditioner | MV | 0.20% – 0.40% | Light, non-residue texture |
Body wash (sulfate-free) | MV – HV | 0.20% – 0.50% | Primary thickener contribution |
Exfoliating body wash | MV – HV | 0.30% – 0.50% | Particle suspension |
Scalp treatment / serum | LV – MV | 0.10% – 0.30% | Thin, fast-absorbing |
Leave-on hair serum | LV – MV | 0.10% – 0.25% | No residue on hair |
Liquid hand soap | MV | 0.10% – 0.30% | Skin conditioning benefit |
Alcohol-based hand sanitizer | HV – EHV | 0.50% – 1.50% | Alcohol-tolerant grade required |
Moisturizer / lotion | MV | 0.20% – 0.50% | Non-ionic for complex actives |
HEC dissolves readily in cold water — one of its key processing advantages over HPMC and some other cellulose ethers. However, the same lump-formation risk that applies to xanthan gum applies to HEC: if the powder contacts water without adequate dispersion, the surface hydrates before the interior can disperse, forming lumps.
Measure the required amount of HEC powder accurately — at use levels of 0.1%–1.0%, small weighing errors represent significant percentage errors
Start agitation in the water phase before adding HEC
Add HEC powder slowly to the vortex of the agitating water — not all at once
Mix at medium speed for 20–40 minutes until fully hydrated and the solution is clear and lump-free
Add remaining water phase ingredients after HEC is fully hydrated
Critical rule: Always add HEC to water, never water to HEC.
Pre-blending HEC with other dry or liquid ingredients before water addition is the most reliable method for consistent hydration at manufacturing scale:
With glycerin: Mix 1 part HEC with 5–10 parts glycerin to form a smooth slurry, then add to water under agitation. Glycerin coats the HEC particles and prevents surface hydration before full dispersion.
With other dry ingredients (salt, sugar, powder actives): Pre-blend HEC with at least 5 parts of another dry ingredient. The dilution prevents particle agglomeration during water addition.
HEC hydrates at room temperature (20–25°C) — no heating required. Hydration is faster at 40–50°C. For emulsion processes that involve heating:
Add HEC to the water phase before heating
HEC will be fully hydrated by the time the emulsification temperature is reached
Do not exceed 80°C during processing — prolonged exposure to high temperature can reduce HEC viscosity
HEC reaches approximately 80% of its final viscosity within 20–30 minutes of addition to water. Full viscosity development may take 1–2 hours. For quality control purposes, always measure HEC solution viscosity after the full hydration period, not immediately after mixing.
Property | HEC | Xanthan Gum | Carbomer |
Ionic character | Non-ionic | Anionic | Anionic |
Compatibility with cationics | Excellent | Moderate (risk at high levels) | Poor |
pH range | 2 – 12 | 3 – 11 | 5 – 9 (requires neutralization) |
Electrolyte tolerance | High | Moderate | Low |
Shear-thinning behavior | Moderate | Excellent | Good |
Yield stress / suspension | Mild (at higher levels) | Excellent | Good (when neutralized) |
Clarity of solution | Good | Good (slight haze at high levels) | Excellent (crystal clear) |
Skin / hair feel | Smooth, film-forming | Slightly tacky at high levels | Smooth, silky |
Cold water solubility | Excellent | Good (lump risk) | Poor (requires neutralization) |
Use in conditioners | Excellent | Moderate | Poor |
Use in high-cationic systems | Excellent | Not recommended | Not recommended |
Use in alcohol systems | Good | Poor | Poor |
Natural / organic credentials | Good (cellulose-derived) | Excellent (fermentation) | None (synthetic) |
Typical use level | 0.2% – 1.5% | 0.1% – 1.5% | 0.2% – 1.0% |
Choose HEC when:
The formulation contains cationic surfactants or cationic polymers at significant levels (conditioners, 2-in-1 products, cationic styling products)
The formulation is at very low or very high pH (acidic scalp treatments, alkaline hair relaxers)
The formulation contains high electrolyte concentrations
The formulation contains alcohol (hand sanitizers, some hair treatments)
Consistent, predictable thickening across a wide range of conditions is the priority
Choose xanthan gum when:
Particle suspension is the primary requirement (anti-dandruff shampoos with ZPT, exfoliating body washes, pigmented products)
Strong shear-thinning behavior is desired (products that must spread very easily under application shear)
Natural / organic certification is required
The formulation is primarily anionic with minimal cationic content
Choose carbomer when:
Crystal-clear gel texture is required (transparent hair gels, clear hand sanitizers)
The formulation is at pH 5–7 with low electrolyte content
The lightest possible skin feel is the priority
For more on xanthan gum in personal care formulations, see:Xanthan Gum in Cosmetics and Personal Care: How It Works and How to Use It
One of the most powerful formulation strategies in haircare is combining HEC with cationic polymers — particularly polyquaternium-10 (PQ-10) and guar hydroxypropyltrimonium chloride (cationic guar).
HEC and cationic polymers are complementary in function:
HEC provides bulk viscosity, aqueous phase thickening, and film-forming on the hair shaft
Cationic polymers provide conditioning benefit (detangling, softness, manageability) through electrostatic deposition on the negatively charged hair surface
Because HEC is non-ionic, it does not compete with or interact adversely with the cationic polymer. The two ingredients work independently in the formulation and synergistically on the hair.
Ingredient | Level | Function |
SLES (28%) | 30%–40% | Primary surfactant |
Cocamidopropyl betaine | 5%–8% | Foam booster, mildness |
NaCl | 1%–2% | Primary thickener |
HEC (MV grade) | 0.15%–0.25% | Secondary thickener, suspension |
Polyquaternium-10 | 0.1%–0.3% | Conditioning, detangling |
Dimethicone (as emulsion) | 0.5%–2.0% | Conditioning, shine |
Preservative, fragrance | q.s. | — |
In this system, HEC and PQ-10 coexist without interaction, each contributing its specific function independently.
Ingredient | Level | Function |
Behentrimonium chloride | 2%–4% | Primary conditioning agent |
Cetyl alcohol | 4%–6% | Lamellar gel network, texture |
HEC (HV grade) | 0.3%–0.6% | Aqueous phase thickener |
Polyquaternium-7 | 0.1%–0.3% | Additional conditioning, film-forming |
Dimethicone | 1%–3% | Shine, detangling |
Panthenol | 0.5%–1.0% | Hair strengthening |
Preservative, fragrance | q.s. | — |
HEC provides the aqueous phase viscosity that holds this system together, while the behentrimonium chloride and cationic polymer provide the conditioning performance. An anionic thickener in this formulation would interact with the behentrimonium chloride, risking precipitation and viscosity instability.
Likely causes:
HEC added to water too quickly or without adequate agitation
HEC added all at once rather than slowly
Water temperature too high during addition (surface hydration accelerates)
Solutions:
Pre-blend HEC with glycerin (1:5–10 ratio) before adding to water phase
Add HEC slowly to agitating water — never all at once
Use cold water (20–25°C) for initial dispersion
If lumps are present in finished product: pass through a colloid mill or high-pressure homogenizer
Likely causes:
HEC not fully hydrated — measured viscosity before full hydration period
High electrolyte concentration reducing viscosity
Processing temperature too high during HEC addition
HEC grade viscosity too low for the target application
Solutions:
Allow full hydration time (minimum 30–60 minutes; measure viscosity after 2 hours for final QC)
Check electrolyte levels — high NaCl reduces HEC viscosity; adjust formulation or increase HEC level
Reduce processing temperature to below 70°C during HEC addition
Switch to a higher viscosity grade or increase dosage
Likely causes:
HEC grade too low (MV instead of HV) for the fatty alcohol level in the formulation
HEC level too low
Fatty alcohol level too low — HEC and fatty alcohol network work synergistically; reducing either reduces overall viscosity
Solutions:
Switch to HV grade
Increase HEC level by 0.1%–0.2% increments
Review fatty alcohol level — cetyl/stearyl alcohol at 4%–6% is typical for standard conditioner; reducing below 3% significantly reduces viscosity even with adequate HEC
Likely causes:
Variation in HEC hydration between batches (inconsistent mixing time or temperature)
Variation in NaCl level (primary thickener in sulfate-based shampoos)
Variation in surfactant concentration between batches
Solutions:
Standardize HEC dissolution procedure: fixed mixing time, temperature, and agitation rate
Verify NaCl level per batch — small variations in salt content cause large viscosity changes in surfactant systems
Conduct viscosity measurement after standardized rest period (e.g., 24 hours after manufacture) for consistent QC
Likely causes:
HEC level too high in a leave-on product
HEC molecular weight too high for the application
Solutions:
Reduce HEC level — residue is concentration-dependent
Switch to a lower viscosity grade (LV or MV) for leave-on applications
Ensure the formulation rinses cleanly if it is a rinse-off product — HEC is water-soluble and should rinse off completely
Parameter | Why It Matters | Typical Specification |
Viscosity grade (2% solution) | Primary performance indicator | Specify target range per grade |
Molar substitution (MS) | Affects solubility and performance | 1.8 – 2.5 for personal care grades |
Moisture content | Affects effective concentration | ≤ 5% |
Ash content | Purity indicator | ≤ 5% |
pH (1% solution) | Formulation compatibility | 6.0 – 8.5 |
Heavy metals | Safety requirement | Per applicable standard |
Microbial limits | Cosmetic safety requirement | Per ISO 17516 or equivalent |
Appearance | Quality indicator | White to off-white powder, free-flowing |
Batch-to-batch viscosity consistency | Critical for product quality | ±10% of target viscosity |
Always request:
Certificate of Analysis (COA) per batch — including viscosity, moisture, ash, pH, and microbial limits
Technical Data Sheet (TDS) with personal care application guidance and dissolution instructions
Safety Data Sheet (SDS)
Free samples for formulation trials before committing to bulk supply
Unionchem supplies Hydroxyethyl Cellulose (HEC) across a full range of viscosity grades for shampoo, conditioner, body wash, scalp treatment, and other personal care applications, with consistent quality, full technical documentation, and reliable global supply.
HEC for haircare — LV, MV, HV, and EHV grades for shampoo, conditioner, and styling products
HEC for skincare — grades optimized for serums, moisturizers, and leave-on treatments
HEC for body wash and cleansing — grades for sulfate-free and specialty cleansing formulations
Full technical documentation: TDS, COA (viscosity, MS, moisture, pH, microbial), SDS
Free samples for formulation trials and grade qualification
Technical support for rheology optimization and grade selection in personal care systems
For full product details and to request a sample or quote:Hydroxyethyl Cellulose (HEC) — Unionchem Product Page
Product | Role in Personal Care | Product Page |
HEC | Non-ionic thickener; ideal for cationic haircare systems | |
Xanthan Gum | Anionic thickener; excellent suspension and shear-thinning | |
CMC | Film-former, binder in some personal care applications | |
Gellan Gum | Gelling agent in leave-on gels and eye care |
HEC's defining advantage in personal care formulation is its non-ionic character — and in the cationic-rich environment of haircare products, that advantage is decisive. Where xanthan gum and carbomer require careful management to avoid interacting with conditioning surfactants and cationic polymers, HEC simply does not interact. It thickens the aqueous phase reliably and independently, regardless of what else is in the formulation.
The practical implication is straightforward: for conditioners, deep conditioning treatments, 2-in-1 products, and any formulation with significant cationic content, HEC is the default thickener choice. For shampoos — particularly sulfate-free systems where the surfactant does not self-thicken adequately — HEC provides the viscosity that the formulation cannot generate on its own. And for scalp treatments and hair serums at challenging pH values or with complex active ingredient profiles, HEC's broad pH and electrolyte tolerance makes it the most reliable option available.
Grade selection — matching the viscosity grade to the product type and target viscosity — is the central formulation decision. The dosage reference table and grade selection guide in this article provide a practical starting framework. Final optimization always requires formulation trials in your specific system, with your specific surfactant and cationic ingredient levels.
Explore Unionchem's HEC solutions for personal care and haircare:Hydroxyethyl Cellulose (HEC) — Unionchem Product Page
In shampoo, HEC functions as a secondary thickener and suspension stabilizer. In sulfate-based shampoos, it supplements the primary thickening provided by the surfactant/salt system and improves the suspension of conditioning agents (silicones, oils). In sulfate-free shampoos, HEC carries more of the thickening burden, providing the viscosity that the milder surfactant system cannot generate on its own.
HEC is non-ionic — it carries no electrical charge in solution. Xanthan gum is anionic (negatively charged). In conditioners, which contain cationic surfactants (behentrimonium chloride) and cationic polymers (polyquaternium-10), an anionic thickener can interact electrostatically with the cationic ingredients, causing precipitation or viscosity instability. HEC's non-ionic character eliminates this risk entirely, making it the standard thickener in conditioner formulations globally.
High Viscosity (HV) grade at 0.3%–0.6% of total formulation weight is the standard choice for rinse-off conditioners. HV grade works synergistically with the fatty alcohol (cetyl/stearyl alcohol) lamellar network to provide the viscosity and body of the finished conditioner. For deep conditioning treatments and hair masks, HV to EHV grade at 0.5%–1.0% is appropriate.
Yes. HEC is one of the few cellulose ethers with adequate solubility in high-alcohol systems (60%–70% ethanol). It provides viscosity in hand sanitizer formulations at use levels of 0.5%–1.5%. Use HV to EHV grades for adequate thickening in high-alcohol systems.
Pre-blend HEC with glycerin (1 part HEC to 5–10 parts glycerin) before adding to the water phase. Alternatively, pre-blend with other dry ingredients. Always add the HEC blend to agitating water slowly — never add all at once. Ensure the water is at room temperature (20–25°C) during addition.
Yes. HEC is fully compatible with polyquaternium-10 (PQ-10) and other cationic polymers. Because HEC is non-ionic, it does not interact electrostatically with PQ-10. The two ingredients work independently and synergistically: HEC provides viscosity and film-forming on the hair shaft; PQ-10 provides conditioning, detangling, and manageability through electrostatic deposition on the hair surface.
Yes. Unionchem supplies HEC in LV, MV, HV, and EHV grades for shampoo, conditioner, body wash, scalp treatment, and other personal care applications. Full technical documentation, COA per batch, and free samples for formulation trials are available. See: HEC — Unionchem Product Page
Unionchem supplies Hydroxyethyl Cellulose (HEC) in a full range of viscosity grades for shampoo, conditioner, body wash, scalp treatments, and personal care applications — with consistent quality, full technical documentation, and reliable global bulk supply from China.
Explore our personal care ingredient portfolio:
Contact us:sales@unionchem.com.cnPhone: +86-13953383796 | +86-533-7220272Website:www.unionchem.com.cn
