Proven is a skincare brand that uses a short quiz to make custom formulas — I tried it, and the night cream worked so well that after 5 weeks, the fine lines on my neck are barely visible anymore

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www.businessinsider.nl/proven-is-a-skincare-brand-that-uses-a-short-quiz-to-make-custom-formulas-i-tried-it-and-the-night-cream-worked-so-well-that-after-5-weeks-the-fine-lines-on-my-neck-are-barely-visible-anym/