ashley

Ashley is a chemical engineer and skincare formulation specialist focused on creating science based, practical guides for indie beauty founders. She teaches formulation with clarity, accuracy, and a beginner friendly approach.

Woman applying facial oil with dropper – skincare for oily acne-prone skin

Best Facial Oils for Oily & Acne-Prone Skin: Lightweight Picks that Won’t Clog Pores

Facial Oils for Oily Skin? Yes, Really. Why facial oil isn’t your enemy, even if you have oily or acne-prone skin. Best facial oils for oily acne-prone skin might sound like an oxymoron at first…. Greasy T-zones, clogged pores, and stubborn breakouts… haven’t you spent years trying to dry all that out? But here’s the […]

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woman holding a solid shampoo bar with foam, symbolizing gentle and eco-friendly haircare.

Sodium Cocoyl Isethionate (SCI): Why It’s the Hero of Solid Shampoo Bars

Sodium Cocoyl Isethionate (SCI) is one of the most beloved surfactants in solid shampoo bars — and for good reason. This guide explores its chemistry, benefits, usage rates, and common formulation mistakes. Whether you’re a beginner or an advanced formulator, discover how to use SCI safely and effectively for creamy, sulfate-free bars that perform beautifully.

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