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%.
- For creams, the reference gives 2–5% in this reference.
- For rinse-off, use 2–4%.
Incorporate Glycerin in the water phase without a separate melt step.
4. Fonti normative e conformità globale
- If Glycerin appears in CosIng, its entry is informational and does not approve a specific grade or finished cosmetic.
- For a cosmetic sold in the EU, Regulation (EC) No 1223/2009 requires the complete cosmetic containing Glycerin to receive its own safety assessment for the product in its final form.
- Review the supplier TDS for the received Glycerin grade, together with the target market's current filing requirements.
5. Sicurezza e valutazione del rischio
This entry provides guidance for cosmetic use only; it does not authorize a drug or OTC product so assess patch response and stability in the final formula.
6. Stabilità e packaging
Use cool, sealed storage away from strong light for the bulk; where appropriate, assess an airless or pump pack for oxidation-sensitive systems; use batch testing to verify stability and package compatibility.
7. Linguaggio dei claim (cosa dire / cosa non dire)
- The formulation note describes Glycerin as part of a cosmetic direction focused on humectant function.
- The cosmetic listing does not substantiate therapeutic results, cure claims, or unverified certification claims.
- This reference for Glycerin provides no basis for a whitening effect, acne treatment, perspiration control, sun protection, or hair growth.










































