5α-reductase inhibition efficacy test by mRNA analysis on dermal papillae cells

Regulatory reference:	Proprietary method
Claim:	Sebum-regulator
Application field:	Active ingredients or finished products.
Description of the test:	Quantification of the changes in the gene expression of 5α-reductase in human dermal papilla cells. Demonstration of the efficacy of the ingredient or finished product in reducing the expression of mRNA codifying for 5α-reductase type I or II.

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