Chemistry: Covalent bonding, polarity, and polyatomic ions (part 10)

Welcome to part ten of this series on learning chemistry! In part one, we looked at the resources and materials we need to study chemistry. In part two, we learned the parts of an atom – protons, neutrons, and electrons! In part three, we learned about ions and valence shells. In part four, we learned...

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#alltheingredients: Eyeseryl® Solution B – active for eyes!

A bottle of Eyeseryl - a clear liquid - sits on a digital scale.

Eyeseryl® Solution B – also found as EYESERYL® peptide solution B – (INCI: Water (and) Butylene Glycol (and) Acetyl Tetrapeptide-5) is an active ingredient used in eye care products to reduce puffiness and dark circles while improving skin’s elasticity around the eyes. Let’s take a look at this awesome water soluble active ingredient we can...

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Innovation level subscribers: The March 2025 e-book is here – Formulating fun with hyaluronic acid: Creating lotions & hair conditioners

Cover of March 2025 e-book, Formulating fun with hyaluronic acid: Creating lotions & hair conditioners

If you don’t see a link, it’s because I’m actively editing this page at 11:15 am PST. The link will be here within the hour.  Yay, the March 2025 e-book is done – Formulating fun with hyaluronic acid: Creating lotions & hair conditioners! You’ll learn to create and customize awesome emulsions – lotions, body butters,...

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#alltheingredients: Polyquaternium-11 – cationic polymer for hair and skin care products

A bottle with polyquaternium 11 sits beside a beaker with a clear, thickened liquid on a digital scale.

Let’s meet this new-to-me cationic polymer, polyquaternium-11, a clear, viscous, odourless liquid conditioning ingredient that offers anti-static, film forming, skin conditioning, and hair conditioning properties along with improved curl retention that can be used in hair and skin cleaners as well as hair conditioners. Before we start… Check out my enormous hair chemistry & hair...

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