Glycerin
Humectant
1. INCI e CAS
INCI: Glycerin · CAS: 56-81-5
2. Ruolo nella formula
For emulsions, gels, and washes, this guide assigns glycerin a polyol-humectant role. Its level is not a batch assay.
3. Livelli d'uso tipici (guida di formulazione)
- The stated reference for gels and serums is 3–8% as a formulation guide.
- Formulation guidance for creams: 2–5% for the formula.
- Formulation guidance for rinse-off: 2–4% in this reference.
Incorporate Glycerin in the water phase without a separate melt step.
4. Fonti normative e conformità globale
- A CosIng entry naming Glycerin does not by itself approve the purchased grade or complete cosmetic.
- EU cosmetics rules under Regulation (EC) No 1223/2009 require a safety assessment of the finished cosmetic containing Glycerin for the complete formula intended for sale.
- Check the supplier's technical information for the Glycerin grade and confirm the relevant market filing list.
5. Sicurezza e valutazione del rischio
The percentage is shown for cosmetic development; it makes no claim of drug or OTC authorization with patch and stability testing still needed for the completed formula.
6. Stabilità e packaging
Keep the bulk container closed and shaded in a cool area; select packaging with the formula's oxidation sensitivity in mind; confirm final stability and pack compatibility on a representative batch.
7. Linguaggio dei claim (cosa dire / cosa non dire)
- The listed cosmetic direction for Glycerin emphasizes humectant function.
- The listed information cannot verify drug claims, cure claims, or a certification that is absent from the product records.
- The ingredient record for Glycerin does not support whitening, acne-treatment, antiperspirant, sun-protection, or hair-growth benefits.









































