The full read
The ingredient family is real in the literature: several published clinical trials (JDDonline 2016, a 2024 split-face study) show hexylresorcinol + retinyl propionate + niacinamide combinations perform comparably to tretinoin on wrinkles and pigmentation, with less irritation — so a gentler retinol alternative has genuine scientific grounding. But the specific number in the ad, "100% more effective," doesn't match any of those independent publications: it rests on an unnamed "depigmenting efficacy study" with no peer review and no stated comparator. It's the same pattern already flagged in the corpus with "100% wrinkle reduction" claims: the asterisk matters as much as the number, and here the asterisk leads nowhere verifiable. The practical takeaway: hexylresorcinol-based formulas are a serious option for people who don't tolerate classic retinol well, but this specific ad's headline comparison can't be checked.
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