e-l-f e.l.f. Hydrating Booster Drops
e-l-f e.l.f. Hydrating Booster Drops lists 29 ingredients on its label, 28 decoded. See what each one does, its irritancy and comedogenic tendency, and its status in national inventories.
Ingredients overview
Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.
Ingredients are listed in label order; the order reflects the label only, not exact concentrations.
- Water
- Butylene Glycol
- Glycerin
- Pentylene Glycol
- Propylene Glycol
- Hydrolyzed Sodium Hyaluronate
- Chondrus Crispus Extract
- Tremella Fuciformis Sporocarp Extract
- Sodium Hyaluronate Crosspolymer
- Tocopheryl Acetate
- Phenoxyethanol
- Hexylene Glycol
- Tromethamine
- Carbomer
- Xanthan Gum
- PPG-26-Buteth-26
- Caprylyl Glycol
- Ethylhexylglycerin
- PEG-40 Hydrogenated Castor Oil
- Fructose
- Disodium EDTA
- Glucose
- Dextrin
- Urea
- Sucrose
- Glutamic Acid
- Aspartic Acid
- Hexyl Nicotinate
- Alanine
Highlights
Free of alcoholFree of parabensFree of siliconesFree of sulfatesFree of essential oilsFree of formaldehyde releasersContains mineral oilContains PEGContains fragrance
Key ingredients
- ANTIPLAQUE
- Water
- HUMECTANT
- Butylene GlycolPropylene Glycol
- DENATURANT
- Glycerin
- SKIN CONDITIONING
- Pentylene GlycolHydrolyzed Sodium HyaluronateChondrus Crispus Extract
- ANTIOXIDANT
- Tremella Fuciformis Sporocarp Extract
Other ingredients
Sodium Hyaluronate CrosspolymerTocopheryl AcetatePhenoxyethanolHexylene GlycolTromethamineCarbomerXanthan GumPPG-26-Buteth-26Caprylyl GlycolEthylhexylglycerinPEG-40 Hydrogenated Castor OilFructoseDisodium EDTAGlucoseDextrinUreaSucroseGlutamic AcidAspartic AcidHexyl NicotinateAlanine
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Water | ANTIPLAQUE, SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Butylene Glycol | HUMECTANT, FRAGRANCE, SKIN CONDITIONING, SOLVENT, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Glycerin | DENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| Pentylene Glycol | SKIN CONDITIONING, SOLVENT | 0 · 0 | Green |
| Propylene Glycol | HUMECTANT, FRAGRANCE, SOLVENT, VISCOSITY CONTROLLING, SKIN CONDITIONING - HUMECTANT, SKIN CONDITIONING - MISCELLANEOUS | 1 · 0 | Green |
| Hydrolyzed Sodium Hyaluronate | SKIN CONDITIONING | 0 · 0 | Green |
| Chondrus Crispus Extract | SKIN CONDITIONING, VISCOSITY CONTROLLING | 0 · – | Green |
| Tremella Fuciformis Sporocarp Extract | ANTIOXIDANT, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Sodium Hyaluronate Crosspolymer | HUMECTANT, SKIN CONDITIONING | 0 · 0 | Green |
| Tocopheryl Acetate | ANTIOXIDANT, SKIN CONDITIONING | 0 · 0 | Green |
| Phenoxyethanol | ANTIMICROBIAL, PRESERVATIVE · 限制 V/29 | 1 · 0 | Yellow |
| Hexylene Glycol | SURFACTANT - EMULSIFYING, SKIN CONDITIONING, SOLVENT, SURFACTANT - CLEANSING, PERFUMING | 1 · 0 | Green |
| Tromethamine | BUFFERING, FRAGRANCE · 限制 III/61 | 0 · – | Green |
| Carbomer | EMULSION STABILISING, GEL FORMING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Xanthan Gum | BINDING, SURFACTANT - EMULSIFYING, EMULSION STABILISING, GEL FORMING, SKIN CONDITIONING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| PPG-26-Buteth-26 | Not decoded yet | — | — |
| Caprylyl Glycol | DEODORANT, SKIN CONDITIONING - EMOLLIENT, HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Ethylhexylglycerin | DEODORANT, SKIN CONDITIONING | 0 · 0 | Green |
| PEG-40 Hydrogenated Castor Oil | SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING | 1 · 2 | Green |
| Fructose | HUMECTANT | 0 · 0 | Green |
| Disodium EDTA | CHELATING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Glucose | HUMECTANT | 0 · 0 | Green |
| Dextrin | ABSORBENT, BINDING, BULKING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Urea | ANTISTATIC, BUFFERING, HUMECTANT, SKIN CONDITIONING | 1 · 0 | Red |
| Sucrose | HUMECTANT, SKIN CONDITIONING, SOOTHING | 0 · 0 | Green |
| Glutamic Acid | ANTISTATIC, HAIR CONDITIONING, HUMECTANT | 0 · 0 | Green |
| Aspartic Acid | ANTISTATIC, HAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING | 0 · 0 | Green |
| Hexyl Nicotinate | ANTISTATIC, SKIN CONDITIONING - EMOLLIENT | 0 · 0 | Green |
| Alanine | ANTISTATIC, HAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING | 0 · 0 | Green |
Ingredients explained
- Water
- Primary solvent and base; requires preservative system to prevent microbial growth
- Butylene Glycol
- Polyol humectant and solvent at 1–5%; aids solubilization, light feel
- Glycerin
- Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
- Pentylene Glycol
- Polyol humectant at 1-3%; low irritancy, suitable for sensitive skin
- Propylene Glycol
- Polyol humectant at 3-10%; hygroscopic, slight tackiness, mild irritation at high conc., verify preservative efficacy, no allergen.
- Hydrolyzed Sodium Hyaluronate
- Low-molecular-weight hyaluronic acid derivative with better penetration and strong hydration; different molecular weights provide hydration at various depths, typical concentration 0.1-1%.
- Chondrus Crispus Extract
- Carrageenan for thickening and moisturizing; seaweed-based, pH-sensitive
- Tremella Fuciformis Sporocarp Extract
- Tremella extract; strong humectant and antioxidant; water-soluble, suitable for anti-aging.
- Sodium Hyaluronate Crosspolymer
- Crosslinked high-MW HA; forms surface hydrogel for long-lasting hydration, minimal penetration, physical film-forming.
- Tocopheryl Acetate
- Vitamin E derivative antioxidant at 0.1–1%; more stable than tocopherol, store protected from light
- Phenoxyethanol
- Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin
- Hexylene Glycol
- Polyol solvent and humectant with penetration enhancement; limit concentration to avoid irritation, no specific allergen tag
- Tromethamine
- pH adjuster, alkaline; precise dosing required
- Carbomer
- Gelling thickener requiring neutralization; watch out for ion compatibility
- Xanthan Gum
- Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration
- PPG-26-Buteth-26
- Not decoded yet
- Caprylyl Glycol
- Polyol conditioner and preservative booster at 0.5–3%; emollient feel, often paired with 1,2-hexanediol
- Ethylhexylglycerin
- Mild conditioner and preservative booster at 0.5–1%; reduces preservative load, smooth feel
- PEG-40 Hydrogenated Castor Oil
- Solubilizer and emulsifier for oil-soluble ingredients; high concentrations may cause contact dermatitis in sensitive skin.
- Fructose
- Strong humectant; high levels can increase viscosity and hygroscopicity.
- Disodium EDTA
- Chelating agent at 0.05–0.5%; sequesters metal ions for stability, boosts preservative efficacy
- Glucose
- Low-MW humectant and buffer; high hygroscopicity requires careful preservation and humidity control.
- Dextrin
- Polymer thickener and binder from starch fermentation; biodegradable, hygroscopic, may affect powder flow
- Urea
- Potent humectant and keratolytic, >10% has exfoliating effect; stinging sensation at high levels, sensitive skin caution
- Sucrose
- Sucrose, water-soluble thickener and humectant; high levels prone to hygroscopy.
- Glutamic Acid
- Glutamic acid, non-essential amino acid humectant; high levels can be astringent, buffer needed.
- Aspartic Acid
- Amino acid humectant and conditioner, common in rinse-off products; low levels mild, high levels may shift pH
- Hexyl Nicotinate
- Vitamin B3 ester for skin conditioning; typically <1%, check compatibility with acids
- Alanine
- Amino acid for antistatic and conditioning; low irritation, slight salty taste at high levels
Source: full ingredient list published on the product label, collected 2026-09-19. Ratings are our internal reading, not a regulatory conclusion. · Product page
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