Callus Care Cream

1. INCI & CAS

INCI: Urea · CAS: 57-13-6

2. Role in the formula

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. Typical use levels (formulation guide)

• 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. Regulatory sources & global compliance

• 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. Safety & risk assessment

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. Stability & packaging

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. Claims language (Do / Don’t)

• 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 & CAS

INCI: Lactic Acid · CAS: 79-33-4

2. Role in the formula

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. Typical use levels (formulation guide)

• 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. Regulatory sources & global compliance

• 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. Safety & risk assessment

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. Stability & packaging

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. Claims language (Do / Don’t)

• 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 & CAS

INCI: Glycerin · CAS: 56-81-5

2. Role in the formula

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

3. Typical use levels (formulation guide)

• 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. Regulatory sources & global compliance

• 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. Safety & risk assessment

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. Stability & packaging

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. Claims language (Do / Don’t)

• 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.