Krupa Koestline
clean cosmetic chemist and founder of KKT Consultants
Here’s What Experts Say About Using Tamanu Oil In Your Beauty Routine
Tamanu oil is known to be hydrating, anti-inflammatory, antibacterial, and healing. Here's what to know about the oil and five options to buy.
Derms Say ‘Fast-Absorbing’ Products Are More Effective—Here’s How To Find Ones That Actually Work
Fast-absorbing skin care penetrates your skin more quickly and easily. Here's how to find products that fit the bill.
Using Mineral Sunscreen Has Traditionally Meant Dealing With a Goopy White Cast, but These Next-Gen Formulas Are Changing the Game
Thanks to new advancements in SPF technology, these lightweight mineral sunscreen options will never leave your skin chalky or goopy.
‘I’m a Cosmetic Chemist, and This Is What Everyone Should Know About Mold in Their ‘Clean’ Beauty Products’
A cosmetic chemist and a plastic surgeon answer all of your most burning questions about mold in makeup and skin care.
Lamellar Water Will Make Even the Driest, Most Brittle Strands Silky-Smooth, and All the Best Products Are Hiding at the Drugstore
Celebs say lamellar water is behind the viral "liquid hair" look. But how does it work, exactly? And where can you buy it?