Crème pour les 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)

• The lotions use-level reference is 2–5% for the formula.
• The level shown for foot and heel creams is 5–10% in this reference.
• Gels: 3–8% in this reference.

For dissolution, use water. Urea can drift pH; set the finished pH after addition.

4. Sources réglementaires et conformité mondiale

• Database information on Urea does not replace review of the supplied grade and finished product under market rules.
• Regulation (EC) No 1223/2009 requires a safety review of the finished cosmetic in which Urea is used for the product in its final form.
• Check the supplier's technical information for the Urea grade and confirm the relevant market filing list.

5. Sécurité et évaluation des risques

This formulation note gives a cosmetic-use reference level; the note establishes neither drug approval nor OTC-monograph status with patch and stability testing still needed for the completed formula.

6. Stabilité et conditionnement

Maintain cool, closed, light-protected storage for the bulk material; for oxidation-sensitive formulas, consider an airless or pump pack; use batch testing to verify stability and package compatibility.

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

• The listed cosmetic direction for Urea emphasizes urea softening.

• The cosmetic listing does not demonstrate drug-treatment outcomes, clinical cures, or certifications not documented for the SKU.
• The information about Urea offers no support for whitening, acne-treatment, antiperspirant, sun-protection, or hair-growth benefits.

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)

• For ph adjustment, the reference gives as needed for the formula.
• The level shown for leave-on smoothing guides is about 1–5% if the brief allows.
• For rinse-off, the recorded level is confirm the market limit.

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

4. Sources réglementaires et conformité mondiale

• If CosIng lists Lactic Acid, that listing remains ingredient information; check rules for the intended market and use.
• Regulation (EC) No 1223/2009 requires the completed product containing Lactic Acid to receive its own safety assessment for the complete formula intended for sale.
• Review the supplier TDS for the received Lactic Acid grade, together with the target market's current filing requirements.

5. Sécurité et évaluation des risques

The guide records a level for cosmetic formulation purposes; this reference is not approval for drug use or OTC marketing and the final formula should undergo patch and stability assessment.

6. Stabilité et conditionnement

Store sealed bulk away from heat and sunlight; review airless or pump options if oxidation presents a concern; assess the confirmed formula for stability and package compatibility.

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

• The listed cosmetic direction for Lactic Acid emphasizes mild lactic-acid.

• The available ingredient details does not support medical outcomes, cure language, or a product certification not supported by the available facts.
• This reference for Lactic Acid should not be used to substantiate a skin-lightening result, acne treatment, antiperspirant action, sunscreen efficacy, or hair growth.

1. INCI et CAS

INCI: Glycerin · CAS: 56-81-5

2. Rôle dans la formule

For emulsions, gels, and washes, this guide assigns glycerin a polyol-humectant role. Its level is not a batch assay.

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

• The gels and serums use-level reference is 3–8% as a formulation guide.
• Creams: 2–5% as a formulation guide.
• For rinse-off, use 2–4% for the formula.

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

4. Sources réglementaires et conformité mondiale

• If CosIng lists Glycerin, that listing remains ingredient information; check rules for the intended market and use.
• The framework in Regulation (EC) No 1223/2009 requires the completed product containing Glycerin to receive its own safety assessment for the completed formula, not simply for an ingredient in isolation.
• Check the supplier's technical information for the Glycerin grade and confirm the relevant market filing list.

5. Sécurité et évaluation des risques

Treat the listed amount as cosmetic-development guidance; this reference is not approval for drug use or OTC marketing and the final formula should undergo patch and stability assessment.

6. Stabilité et conditionnement

Use cool, sealed storage away from strong light for the bulk; take oxidation sensitivity into account when selecting the final pack; verify the chosen pack against the tested formula.

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

• This guide frames Glycerin's cosmetic direction around humectant function.

• This product entry does not establish claims of drug action or cure, or a product certification outside the supporting records.
• This cosmetic entry naming Glycerin provides no basis for a skin-lightening result, acne treatment, antiperspirant action, sunscreen efficacy, or hair growth.