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Showing posts with label ingredient science. Show all posts
Showing posts with label ingredient science. Show all posts
Monday, February 16, 2026

PEG-40 Hydrogenated Castor Oil: When to Choose It Instead of Polysorbates

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After learning how to incorporate essential oils into water using polysorbates, many people notice something interesting. The product works,...
Saturday, February 14, 2026

Donkey Milk in Skincare: Composition, Skin Compatibility and Practical Formulation Use

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After nearly twenty years of working in cosmetic formulation, I rarely describe an ingredient as unique. Most actives perform well only with...
Monday, February 9, 2026

Vitamin F: the Lipid Support Your Skin Has Been Missing

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Vitamin F is one of those ingredients that works quietly in the background, yet plays a decisive role in how the skin behaves over time. Des...
Sunday, February 8, 2026

Vitamin E: What it Does and What it Doesn’t

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  Vitamin E is one of the most widely used ingredients in cosmetic products, yet it is often misunderstood. In many formulations it is treat...

D-Panthenol in Cosmetic Products: A Functional Ingredient

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Provitamin B5, widely known as D-panthenol, is one of the most established and reliable ingredients in cosmetic formulation. It is valued no...

Silk Protein in Cosmetics: Function and Formulation Value

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Silk protein has been used in cosmetic formulations for many years, particularly in hair and skin care products. Despite its long presence i...
Monday, November 5, 2018

Preservatives in Cosmetics: Why Safety is Not Optional

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One of the most persistent challenges in cosmetic formulation is preservation. Few topics generate as much confusion and debate, especially ...
Monday, June 13, 2016

St. John’s Wort Oil: The Herbal Infusion I Always Keep in My Lab

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Some ingredients end up in a formula for their label appeal. Others stay because they quietly work. St. John’s wort oil is definitely the...
Friday, September 18, 2015

Fig in Modern Cosmetic Applications

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  The fig tree (Ficus carica) is a deciduous plant that thrives mainly in temperate climates. It is known for its resilience and adaptabilit...
Monday, August 31, 2015

Formulating with Clays: Mineral Behavior and Skin Performance

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I still remember the first controlled comparison I ran in the lab. Two masks, same base, same hydrosol, different clay percentages. O...