Determination of crude in vitro UVA PF

The analysis of the determination of the crude in vitro UVA PF measures the UVA protection factor of a sunscreen product in vitro.

Produced on PMMA plate and measured by spectrophotometry (ISO 24443 standard), it allows to quantify the ability of a product to protect the skin from long UVA rays, responsible for skin aging and long-term effects.

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