
Highlights
WHAT IS IT?
Pro-Retinol Serum
FEATURES
Line reducing, skin refining, tone evening properties
BEST FOR
combination
CHECKS
Parabens-free, fragrance-free
Who Is It For?
Adults Interested In Anti-aging SkincareWhat Does It Help With?
Fine Lines Skin Texture Uneven ToneBudget
Mid-range ($30-$75)How To Use
Which routine should it be used in?
Instructions:
Key Information
What Glossier Says
Product Description:
A daily retinol product for line reducing, refining, and tone evening
About the Brand:
Ingredients Overview
Ingredients List
Water/Aqua/Eau, Glycerin, Propanediol, Cetyl Ethylhexanoate, C13-15 Alkane, Cetyl Alcohol, Butyrospermum Parkii (Shea) Butter, Cetearyl Olivate, Coconut Alkanes, Sorbitan Olivate, Potassium Cetyl Phosphate, Betaine, Retinyl Sunflowerseedate, Stevia Rebaudiana Leaf/Stem Extract, Ophiopogon Japonicus Root Extract, Camellia Oleifera Leaf Extract, Aloe Barbadensis Leaf Juice, Sodium Hyaluronate, Tocopherol, Coco-Caprylate/Caprate, Ethylhexylglycerin, Glycol Stearate, Glyceryl Stearate, Caprylic/Capric Triglyceride, Maltodextrin, Xanthan Gum, Benzoic Acid, Sodium Hydroxide, Carbomer, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Trisodium Ethylenediamine Disuccinate
Key Ingredients
pro-retinol
Ingredients Details
Butyrospermum Parkii Shea Butter
Common Name(s): Butyrospermum parkii shea butter
DESCRIPTION
What It Does: Delivers targeted skin-conditioning or bioactive benefits through a specific mechanism of action suited to the formulation's intended purpose.
Why It's Used: Specialty actives address specific skin concerns through targeted molecular mechanisms, providing efficacy beyond what base formulation ingredients alone can achieve.
How It Works: The bioactive compound interacts with specific molecular targets in skin cells or the extracellular matrix โ enzymes, receptors, structural proteins, or signaling molecules โ triggering beneficial biological responses.
Typically Found In: Serums,treatments,moisturizers,specialty products
TECHNICAL DETAILS
Primary Category: Specialty actives
Secondary Functions: Skin-conditioning,anti-aging
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.01โ5%
SOURCING & ETHICS
Vegan Status: Yes
Halal Status: Yes
Source Notes: Specialty active ingredient; check individual sourcing for vegan status.
SKIN COMPATIBILITY
Irritancy Rating: 1899-12-31 00:00:00 -0800
Sensitivity Concerns: Low sensitization potential at recommended use concentrations.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Well-characterized cosmetic ingredient with established safety profile. generally non-irritating at typical use concentrations. suitable for leave-on and rinse-off cosmetics.
Works Well With: Niacinamide,hyaluronic acid,vitamin c,peptides
Avoid Combining With: Incompatible with oxidizing agents; check ph stability
SCIENTIFIC NOTE
Specialty actives typically work through enzyme inhibition (e.g., tyrosinase inhibition for brightening, mmp inhibition for anti-aging), receptor activation (e.g., retinoid receptors, ppar-ฮณ for barrier genes), or transcription factor modulation (e.g., nrf2 for antioxidant gene upregulation). structure-activity relationships determine potency and selectivity.
Last Verified: Cosing eu database; pcpc cosmetic ingredient safety reviews; ingredient-specific safety and efficacy literature
Primary Sources: 2025-01-15
C13-15 Alkane
Common Name(s): C13-15 alkane,cosmetic active,functional ingredient
CAS Number: N/a
DESCRIPTION
What It Does: Delivers characteristic cosmetic function at recommended use concentration.
Why It's Used: Selected for functional contribution and formulation compatibility supported by cosmetic science and regulatory safety data.
How It Works: Works through the mechanism of its molecular class โ physicochemical or biological interaction with skin proteins, lipids, or receptors as documented in peer-reviewed cosmetic literature.
Typically Found In: Skin care formulations
TECHNICAL DETAILS
Primary Category: Active ingredient โ cosmetic active
Secondary Functions: Skin conditioning
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.1%โ10%
SOURCING & ETHICS
Vegan Status: Conditional
Halal Status: Yes
Source Notes: Commercially produced for cosmetic use. verify vegan/halal status with supplier.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 โ very low
Comedogenicity Rating: 0/5 โ non-comedogenic
Sensitivity Concerns: Well-tolerated by most skin types.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Good safety profile at recommended concentrations. ewg score: 1โ2.
Works Well With: Standard skincare actives
Avoid Combining With: No known significant incompatibilities
SCIENTIFIC NOTE
C13-15 alkane has an established safety and efficacy profile within the cosmetic regulatory framework at standard use concentrations.
Last Verified: Cosing database,c13-15 alkane technical literature
Primary Sources: 2026-03-12
Cetearyl Olivate
Common Name(s): Nonionic emulsifier,o/w surfactant,emulsion stabiliser
CAS Number: N/a
DESCRIPTION
What It Does: Stabilises o/w emulsions by forming a molecular monolayer at the oil-water interface, provides co-emulsification synergy with other emulsifiers, and contributes to emulsion texture through interfacial film properties.
Why It's Used: Nonionic emulsifiers are preferred for sensitive skin and ph-extreme formulations โ no ionic charge means no electrostatic interaction with skin proteins, no ph-dependent function loss, and compatibility with both anionic and cationic co-ingredients.
How It Works: Hlb determines emulsion type: hlb 8โ12 for o/w emulsification; hlb 3โ6 for w/o. the peg or glycoside head group provides hydrophilicity while the c16โc18 fatty chain provides lipophilicity. at the o/w interface, nonionic emulsifiers form a mixed monolayer reducing interfacial tension from ~35 mn/m (clean oil-water) to 5โ10 mn/m, providing thermodynamic stabilisation.
Typically Found In: Creams,lotions,o/w emulsions
TECHNICAL DETAILS
Primary Category: Active ingredient โ cosmetic active
Secondary Functions: Skin conditioning
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 1%โ10%
SOURCING & ETHICS
Vegan Status: Conditional
Halal Status: Yes
Source Notes: Commercially produced for cosmetic use. verify vegan/halal status with supplier.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 โ very low
Comedogenicity Rating: 0/5 โ non-comedogenic
Sensitivity Concerns: Well-tolerated by most skin types.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Good safety profile at recommended concentrations. ewg score: 1โ2.
Works Well With: Standard skincare actives
Avoid Combining With: No known significant incompatibilities
SCIENTIFIC NOTE
Mixed emulsifier systems (e.g., glyceryl stearate + peg-100 stearate, or cetearyl glucoside + cetearyl alcohol) provide better emulsion stability than single emulsifiers โ synergistic packing of different molecular geometries creates a more cohesive, mechanically robust interfacial film.
Last Verified: Cosing database,nonionic emulsifier hlb system review
Primary Sources: 2026-03-12
Cetyl Alcohol
Common Name(s): 1-hexadecanol,palmityl alcohol,n-cetyl alcohol
CAS Number: 36653-82-4
DESCRIPTION
What It Does: Provides c16 fatty alcohol emolliency and thickening for well-textured cosmetic emulsions.
Why It's Used: Lighter-textured fatty alcohol alternative to stearyl alcohol for creams and conditioners requiring less heavy emolliency.
How It Works: C16 chain length provides slightly lower melting point (49ยฐc) than stearyl (60ยฐc) giving softer, lighter emulsion texture. forms lamellar networks for thickening and stability. direct skin and hair conditioning via fatty alcohol film.
Typically Found In: Creams,hair conditioners,lotions
TECHNICAL DETAILS
Primary Category: Functional ingredient โ fatty alcohol
Secondary Functions: Barrier sealing,softening
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 1%โ15%
SOURCING & ETHICS
Vegan Status: Yes โ from vegetable or coconut/palm fatty acids
Halal Status: Yes
Source Notes: Plant-derived, synthetic or animal-derived. verify source.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 โ very low
Comedogenicity Rating: 1/5 โ low; formulation-dependent
Sensitivity Concerns: Non-irritating.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Excellent safety profile. ewg score: 1.
Works Well With: Humectants,ceramides,actives as carrier
Avoid Combining With: No significant incompatibilities
SCIENTIFIC NOTE
Cetyl alcohol's c16 chain length is at the approximate thermal transition point for fatty alcohol lamellar crystallization at skin temperature (33ยฐc). this transition (from ordered crystalline to disordered liquid phase near skin temperature) provides the characteristic 'melts on application' sensory profile that makes cetyl alcohol-containing products feel cooling and light on initial application.
Last Verified: Cosing database,cir safety assessment
Primary Sources: 2026-03-12