Esthetician Unlocked

Clean Beauty, Biotech & The Future of Skincare ft. Krupa Koestline

September 8, 2026·36 min
Episode Description from the Publisher

Beauty marketing loves a shiny ingredient. Krupa Koestline loves a formula that actually makes sense. In this episode of Esthetician Unlocked, host Elaine Sterling sits down with Krupa Koestline, award-winning cosmetic chemist and founder of KKT Innovation Labs, to talk about clean beauty, custom formulation, biotech ingredients, what melanated skin really needs, exosomes, salmon sperm and why skincare brands need to stop pretending one product can do everything. Krupa brings the science without the scare tactics, the skepticism without the snobbery and a very clear reminder: ingredients need context.

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