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PMC What to expect at 8 weeks: More noticeable brightening of dull or uneven areas Reduction in pigment spots, sun spots, or mild freckles Skin tone looks more even, with softer transitions between light/dark zones Better radiance, not just lightness Complementary skincare results (like from sunscreen, vitamins) become more evident However, results still differ widely between people

Kikuchi-Utsumi K, Nakaki T

| Key ingredients: Copper peptides, wild yam extract, vegan collagen amino acids Murphy-Rose says that this "science-backed formula" features collagen-boosting properties "to help firm skin, reduce fine lines and improve overall texture." It's gentle, so she adds that it's suitable for most skin types

Cao JY, Dixon SJ