发明授权
US5520905A Cosmetic or dermatological preparation comprising delta-aminolevulinic acid content as an active ingredient 失效
包含δ-氨基乙酰丙酸含量作为活性成分的化妆品或皮肤病学制剂

Cosmetic or dermatological preparation comprising delta-aminolevulinic
acid content as an active ingredient
摘要:
A cosmetic or dermatological preparation comprising .delta.-aminolevulinic acid as an active ingredient.
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