The Eco Well podcast A Cosmetics Formulation 101 with Ava Perkins
Mar 3, 2024
Ava Perkins, a cosmetic chemist, discusses ingredient types, surfactants, preservatives, and pH in cosmetics. The podcast covers challenges faced by influencers, misconceptions about preservatives, role of emulsifiers in formulations, solubilizers for clarity, cindent bars formulation, and sunscreen formulation hurdles.
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Types of Moisturizers
- Moisturizers are categorized as humectants, emollients, and occlusives with different skin benefits.
- Balancing these three is crucial to maintain skin hydration and avoid pore clogging.
Role of Stabilizing Ingredients
- Preservatives stop microbial growth, chelating agents inactivate metals, antioxidants prevent rancidity.
- Preservatives are essential in water-containing products to protect both product and user.
Vitamin E Isn't a Preservative
- Avoid assuming antioxidants like vitamin E act as preservatives.
- Use actual preservatives to inhibit microbial growth in formulas.