Technical approaches to select high‐performance instant skin smoothing formulations: Correlation of in vitro and in vivo assessment methods

Contractile films that smooth the surface of skin upon drying are popular among consumers due to their “instant” effect and perceivable smoothing benefits. The objective of our study was to correlate an in vitro measurement of contractile force with in vivo smoothing performance, thereby enabling rapid screening of film‐forming technologies for impactful cosmetic results.

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