Soluble Collagen

INCI: Soluble Collagen | Function: Moisturizer, Film Former | Type: Hydrolyzed protein

What Is Soluble Collagen?

Soluble Collagen is partially hydrolyzed collagen that retains a triple-helix structure, giving it film-forming and moisturizing properties. It forms a moisture-retaining film on skin, providing temporary smoothing and firming effects. Unlike hydrolyzed collagen, it has higher molecular weight and better film formation.

Key Skin Benefits

+ Forms moisture-retaining film on skin surface
+ Provides temporary skin smoothing and firming
+ Excellent humectant properties
+ Improves skin elasticity (temporary cosmetic effect)
+ Good hair conditioning agent

Pros

+ Better film-forming than fully hydrolyzed collagen
+ Natural-derived, biocompatible protein
+ Visible temporary smoothing effect
+ Suitable for both skin and hair care
+ Well-established safety profile

Cons

− Too large to penetrate skin — surface effect only
− Animal-derived (not vegan)
− Temporary effects (washes off)
− Not as effective as topical retinoids/peptides for anti-aging
− May cause allergy in those with marine/fish allergies (marine source)

Specifications

Property	Value
Usage Areas	Face, Eye, Body, Hair
Product Type	Leave-On, Rinse-Off
Source	Animal (bovine/marine) / Biotech
Natural Level	Natural

Safety Ratings

Metric	Rating
Skin Sensitivity	0/5 (none)
Comedogenic Rating	0/5
EWG Score	1/10

Regional Regulatory Limits

Region	Leave-on %	Rinse-off %	Status
EU (CosIng)	No limit	No limit	Allowed
US (CIR/FDA)	No limit	No limit	Allowed
Japan (MHLW)	No limit	No limit	Allowed
ASEAN	No limit	No limit	Allowed
China (NMPA)	No limit	No limit	Allowed

Typical Usage % by Product Type

Product Type	Typical %
Anti-aging cream	0.5 - 5%
Firming serum	1 - 3%
Hair conditioner	0.5 - 2%

References

Lupo MP & Cole AL (2007) — Collagen in cosmetics. PMID: 18039574
Rodriguez MI (2020) — Collagen supplementation review
EWG Skin Deep — Score 1/10

← Back to Skinpedia