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The percentage increase in skin elasticity parameters R2 (gross elasticity), R5 (net elasticity), R6 (viscoelastic portion), and R7 (recovery after deformation) versus time (days).
Notes: The increase was determined by cutometer for facial skin of volunteers following an antiaging skin care regimen for 21 days (n=52). Results are presented as mean ± SEM. *P<0.0001 versus t=0, **P<0.05 versus t=0.
Abbreviation: SEM, standard error of mean.
