Gel pour le soin des callosités

1. INCI et CAS

INCI: Urea · CAS: 57-13-6

2. Rôle dans la formule

Cosmetic urea guides often use about 2–10% for softness and higher levels only when the brief and the destination rules allow. This page does not claim a drug keratolytic.

3. Niveaux d'emploi typiques (repère de formulation)

• For lotions, the recorded level is 2–5% in this reference.
• The stated reference for foot and heel creams is 5–10% as a formulation guide.
• The formulation record indicates 3–8% for gels for the formula.

Dissolve in water. Urea can drift pH; set the finished pH after addition.

4. Sources réglementaires et conformité mondiale

• Use CosIng's information on Urea as a reference, then verify the specific grade and intended use under market rules.
• EU cosmetics rules under Regulation (EC) No 1223/2009 require a safety evaluation of the product containing Urea as it will be marketed rather than for an ingredient name alone.
• Verify the purchased Urea grade using supplier data, alongside the applicable filing rules for the destination market.

5. Sécurité et évaluation des risques

Use the stated level as reference guidance for cosmetic formulation; the listed level does not itself confer drug or OTC status and the completed formula still requires stability and patch testing.

6. Stabilité et conditionnement

Keep bulk material sealed, cool, and out of direct sunlight; select packaging with the formula's oxidation sensitivity in mind; use batch testing to verify stability and package compatibility.

7. Formulations d'allégations (à faire / à éviter)

• The recorded cosmetic positioning for Urea highlights urea softening.

• The ingredient guidance does not establish therapeutic effects, curative outcomes, or unsupported certification statements.
• The ingredient record for Urea should not be cited in support of a whitening effect, acne treatment, perspiration control, sun protection, or hair growth.

1. INCI et CAS

INCI: Lactic Acid · CAS: 79-33-4

2. Rôle dans la formule

Lactic acid is both a pH tool and a low-level AHA. Leave-on guides on this site stay in a mild cosmetic range and tell the buyer to confirm destination AHA rules.

3. Niveaux d'emploi typiques (repère de formulation)

• The ph adjustment use-level reference is as needed in this reference.
• The stated reference for leave-on smoothing guides is about 1–5% if the brief allows as a formulation guide.
• The stated reference for rinse-off is confirm the market limit in this reference.

Add after the main phases and check pH. Label destination AHA precautions when the level requires them.

4. Sources réglementaires et conformité mondiale

• If Lactic Acid appears in CosIng, its entry is informational and does not approve a specific grade or finished cosmetic.
• For cosmetics placed on the EU market, Regulation (EC) No 1223/2009 requires the complete cosmetic containing Lactic Acid to receive its own safety assessment as a finished-product assessment.
• Verify the purchased Lactic Acid grade using supplier data, alongside the applicable filing rules for the destination market.

5. Sécurité et évaluation des risques

The listed use rate is intended as a cosmetic-development guide; this reference is not approval for drug use or OTC marketing while finished-product patch and stability testing remain necessary.

6. Stabilité et conditionnement

Keep bulk material sealed, cool, and out of direct sunlight; review airless or pump options if oxidation presents a concern; use batch testing to verify stability and package compatibility.

7. Formulations d'allégations (à faire / à éviter)

• The recorded cosmetic positioning for Lactic Acid highlights mild lactic-acid.

• The available ingredient details does not support a drug effect, a clinical cure, or certification status not established for the SKU.
• This guide to Lactic Acid does not support whitening, acne-treatment, antiperspirant, sun-protection, or hair-growth benefits.

1. INCI et CAS

INCI: Glycerin · CAS: 56-81-5

2. Rôle dans la formule

The reference uses glycerin as a polyol humectant across washes, gels, and emulsions. Treat the percentage as development guidance.

3. Niveaux d'emploi typiques (repère de formulation)

• The gels and serums use-level reference is 3–8% for the formula.
• The guide range for creams is 2–5% as a formulation guide.
• 2–4% is listed for rinse-off.

Add Glycerin to the water phase; no separate melt step is needed.

4. Sources réglementaires et conformité mondiale

• A CosIng listing for Glycerin provides ingredient information, not approval of a supplied grade or finished product.
• EU cosmetics rules under Regulation (EC) No 1223/2009 require an assessment addressing the safety of the finished product that contains Glycerin rather than for an ingredient name alone.
• Review the supplier TDS for the received Glycerin grade, together with the target market's current filing requirements.

5. Sécurité et évaluation des risques

Use the stated level as reference guidance for cosmetic formulation; it provides no evidence that a drug or OTC monograph applies and the completed cosmetic needs its own patch and stability checks.

6. Stabilité et conditionnement

Protect the sealed bulk from heat, sun, and unnecessary exposure; consider an airless or pump format when oxidation sensitivity warrants it; check the final package and formula together for compatibility and stability.

7. Formulations d'allégations (à faire / à éviter)

• The listed cosmetic direction for Glycerin emphasizes humectant function.

• The development record is not evidence of claims of drug action or cure, or a product certification outside the supporting records.
• The information about Glycerin cannot establish whitening, acne-treatment, antiperspirant, sun-protection, or hair-growth benefits.