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GH Beauty Lab scientists also measure changes in skin’s firmness before and after the same time period with the Cutometer machine, which gauges skin laxity. Finally, consumer testers report their personal feedback on the products, including perceived changes in skin tone, firmness, wrinkles, brightness, and softness, plus ease of use (texture, scent, absorption, and any irritation).
In the most recent anti-aging serums tests, GH Beauty Lab scientists tested formulas on 261 testers and recorded and quantified the following to find the best formulas:
✔️ 5,610 Visia images and data points
✔️ 2,720 Cutometer firmness measurements
✔️ 2,173 tester feedback responses
