Glycerin
Humectant
1. INCI & CAS
INCI: Glycerin · CAS: 56-81-5
2. Role in the formula
Cosmetic washes, gels, and emulsions use glycerin in a polyol-humectant role; the listed level is for formulation development.
3. Typical use levels (formulation guide)
- For gels and serums, use 3–8%.
- For creams, use 2–5%.
- Formulation guidance for rinse-off: 2–4%.
The guide places Glycerin in the water phase and calls for no melt step.
4. Regulatory sources & global compliance
- CosIng may identify Glycerin as an ingredient, but its entry does not approve a material grade or finished formula.
- EU cosmetics rules under Regulation (EC) No 1223/2009 require a safety assessment of the complete cosmetic formula containing Glycerin as part of the finished cosmetic's safety documentation.
- Use the supplier TDS to confirm grade-specific details for Glycerin and review the destination market's requirements.
5. Safety & risk assessment
The use-level note is a reference for cosmetic formulation; it makes no claim of drug or OTC authorization so the finished cosmetic should receive patch and stability checks.
6. Stability & packaging
Keep the ingredient in cool, closed bulk storage away from sunlight; evaluate packaging against the formula's susceptibility to oxidation; assess the confirmed formula for stability and package compatibility.
7. Claims language (Do / Don’t)
- For cosmetic use, this entry records Glycerin in a direction centered on humectant function.
- This ingredient reference provides no basis for drug effects, cures, or certification claims that go beyond the documented ingredient information.
- This cosmetic entry naming Glycerin does not confirm a whitening effect, acne treatment, perspiration control, sun protection, or hair growth.










































