We tested luxury and drugstore retinol products using HPLC technology to measure actual skin penetration. The shocking results? The $12 drugstore option delivered 2.3x more active retinol than the $150 ‘medical-grade’ product. Discover why expensive
Retinol is one of the most powerful ingredients in skincare, renowned for its ability to reduce wrinkles, smooth skin texture, and brighten dark spots. But achieving radiant skin doesn’t have to come with a luxury
Discover whether a $8 retinol can outperform a $90 luxury serum. We break down lab results, pros/cons, and who should choose which. Spoiler: Your wallet might thank you.
Retinol is a true game-changer in skincare—boosting collagen, refining texture, and tackling wrinkles. Learn how to use it safely and effectively.
Welcome to Skintellect Lab, your source for skincare science and budget-friendly alternatives! Is that $300 cream really worth it? Spoiler: price doesn’t equal performance. Luxury brands often rely on hype rather than effective ingredients. Discover
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