Callus Softening Cream Base

1. INCI & CAS

INCI: Urea · CAS: 57-13-6

2. Role in the formula

Urea is listed as a humectant in this development reference. The recorded formula also lists Butyrospermum Parkii Butter and Lactic Acid. Review moisture feel and tack in the complete formula.

3. Typical use levels (formulation guide)

• The component's reference allocation is recorded at 8% w/w.

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

4. Regulatory sources & global compliance

• This note is supplied for formulation development; it does not authorize a particular grade or finished formula; No authorization for the final cosmetic is implied.

5. Safety & risk assessment

This formulation note gives a cosmetic-use reference level; it does not authorize a drug or OTC product with patch and stability testing still needed for the completed formula.

6. Stability & packaging

Keep bulk supplies closed, cool, and protected from sunlight; match the pack choice to the system's oxidation risk; assess the confirmed formula for stability and package compatibility.

7. Claims language (Do / Don’t)

• The cosmetic formulation concept for Urea centers on urea softening.

• The formulation note cannot verify drug or therapeutic claims, clinical cures, or certification claims not confirmed for the product.
• This cosmetic entry naming Urea does not substantiate whitening, acne care as treatment, perspiration reduction, sun protection, or hair growth.

1. INCI & CAS

INCI: Butyrospermum Parkii Butter · CAS: 91080-23-8

2. Role in the formula

Butyrospermum Parkii Butter is listed as a butter in this development reference. The recorded formula also lists Urea and Lactic Acid. Review the contribution to body and application feel in the complete formula.

3. Typical use levels (formulation guide)

• Reference component allocation: 7% w/w.

The listed method melts Butyrospermum Parkii Butter into oil and maintains shear as the blend cools to reduce graining.

4. Regulatory sources & global compliance

• Treat this information as a development reference; it offers no approval of the ingredient grade or finished product; This entry does not approve a completed product.

5. Safety & risk assessment

The percentage is shown for cosmetic development; this reference is not approval for drug use or OTC marketing so assess patch response and stability in the final formula.

6. Stability & packaging

Protect the sealed bulk from heat, sun, and unnecessary exposure; where appropriate, assess an airless or pump pack for oxidation-sensitive systems; confirm final stability and pack compatibility on a representative batch.

7. Claims language (Do / Don’t)

• The cosmetic concept for Butyrospermum Parkii Butter in this entry centers on shea cushion.

• This cosmetic guide cannot verify drug or therapeutic claims, clinical cures, or certification claims not confirmed for the product.
• This cosmetic entry naming Butyrospermum Parkii Butter does not support a whitening effect, acne treatment, perspiration control, sun protection, or hair growth.

1. INCI & CAS

INCI: Lactic Acid · CAS: 79-33-4

2. Role in the formula

Lactic Acid is listed as an acid component in this development reference. The recorded formula also lists Urea and Butyrospermum Parkii Butter. Review its intended role and the measured pH of this complete formula.

3. Typical use levels (formulation guide)

• This entry shows a reference allocation of 0.8% w/w.

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

4. Regulatory sources & global compliance

• This note is supplied for formulation development; it does not certify the supplied material or completed cosmetic; This entry does not approve a completed product.

5. Safety & risk assessment

This entry provides guidance for cosmetic use only; it should not be read as a drug authorization or OTC listing and the finished formula still needs patch and stability testing.

6. Stability & packaging

Hold the bulk material in a sealed, cool place shielded from light; if the formula is oxidation-sensitive, an airless or pump format may be considered; confirm final stability and pack compatibility on a representative batch.

7. Claims language (Do / Don’t)

• This guide frames Lactic Acid's cosmetic direction around mild lactic-acid.

• The cosmetic listing does not substantiate therapeutic outcomes, clinical cures, or a certification the finished SKU does not hold.
• The ingredient note for Lactic Acid offers no support for whitening, acne care as treatment, perspiration reduction, sun protection, or hair growth.