Methods and compositions for improving sun protection from sunsc

Details Methods and compositions for improving sun protection from sunsc Methods and compositions for improving sun protection from sunsc

1996-01-16

2000-12-26

Dodson, Shelley A.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424 60, 424400, 424401, A61K 742, A61K 744, A61K 700

Patent

active

061654493

ABSTRACT:
Disclosed are methods and compositions for increasing the sun protection factor of oil and water sunscreen emulsions comprising adding a phthalic acid derivative to an oil and water sunscreen emulsion in an amount effective to increase the sun protection factor of the emulsion, the phthalic acid derivative having the general formula: ##STR1## where R represents an organic substituent, X represents a cation; and m is an integer satisfying the valency of X.

REFERENCES:
patent: 4333920 (1982-06-01), Conner

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