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US 7,404,967 B2Granted
Topical product formulations containing strontium for reducing skin irritation
AssigneeCosmederm, Inc.
InventorsGary S. Hahn, David O. Thueson
Life of this patent
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Abstract
Topical formulations containing aqueous-soluble divalent strontium cation in a suitable topical formulation vehicle, and methods of using these formulations to inhibit skin irritation, are disclosed.
Claims60
A topical formulation for reducing skin irritation in animals comprising:
- a salt comprising aqueous-soluble divalent strontium cation in an amount of about 0.5% by weight to about 14% by weight of the total formulation,
- an irritant ingredient comprising an α-hydroxy acid, and
- a suitable topical formulation vehicle.
A depilatory formulation comprising:
- a depilatory agent;
- and
- a skin irritation reducing salt comprising aqueous-soluble divalent strontium cation.
A composition for effective removal of hair with reduced skin irritation, the composition comprising:
- a non-strontium active agent for removal of hair;
- and
- a skin irritation reducing salt comprising aqueous-soluble strontium cation.
A topical formulation for reducing skin irritation in animals comprising:
- a salt comprising aqueous-soluble divalent strontium cation in an amount of about 0.5% by weight to about 14% by weight of the total formulation;,
- an irritant ingredient;
- a suitable topical formulation vehicle;
- and
- an active ingredient selected from the group local anesthetic, sunscreen, retinoid, antiperspirant, antihistamine, analgesic, contraceptive, anti-acne and anti-dandruff ingredients.
2 more elements
Dependencies are inferred from the claim text.