Drug – bio-affecting and body treating compositions – Topical sun or radiation screening – or tanning preparations
Patent
1992-03-31
1993-11-30
Ore, Dale R.
Drug, bio-affecting and body treating compositions
Topical sun or radiation screening, or tanning preparations
514725, 514844, 514847, 514944, A61K 742, A61K 748
Patent
active
052663078
ABSTRACT:
Topical application of retinoic acid is effective for increasing the tyrosinase activity in the skin of people having light skin. Thus, topical application of retinoic acid may be used to effect a suntan in people having light skin and as a consequence protect against photodamage.
REFERENCES:
patent: 4108880 (1978-08-01), Gander et al.
patent: 5039513 (1991-08-01), Chatterjee et al.
Nair et al, J. Invest. Dermatol., vol 92 (1989).
Ellis Charles N.
Griffiths Christopher E. M.
Voorhees John J.
Ore Dale R.
The Regents of the University of Michigan
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