| 摘要 |
An apparatus for measuring the effectiveness of a sunscreen composition applied to protect an epidermis from harmful exposure to ultraviolet light, the epidermis having a texture and an absorbent character, the apparatus comprising an ultraviolet light-sensitive layer for changing color when exposed to ultraviolet light, the layer receivable adjacent the epidermis and having a texture and an absorbent character substantially similar to the texture and absorbent character of the epidermis.
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