Why You’re Still Struggling with Dark Spots (And What Actually Works) Hyperpigmentation isn’t just stubborn — it’s strategic. Whether it’s post-acne marks, melasma, or sun-induced discoloration, your skin is fighting to keep the pigment. And here’s the truth:Most “brightening serums” don’t do a thing. You need the right exfoliating acid — in the correct strength … Continue reading Best Exfoliating Acid for Hyperpigmentation – 2025 Picks + Acid Match Quiz