Episode 11: Colin Sanders

This episode of the podcast features an interview with longtime UK cosmetic chemist and beauty blogger, Colin Sanders. It also discusses how and when to do stability testing.


Cosmetic Science News

Women looking for flawless skin

Hair washing robot

Cosmetic Science topic - Stability Testing

Cosmetic product stability testing demonstrates whether your product will last when stored on a shelf.

When do you perform stability testing?

  • 1. New prototypes
  • 2. New raw materials
  • 3. New manufacturing procedure
  • 4. New packaging

How do you stability test a cosmetic?

  • Step 1 — Make your batch.
  • Step 2 — Fill your samples.
  • Step 3 — Take initial readings.
  • Step 4 — Put samples at different conditions.
  • Step 5 — Evaluate the product.
  • Step 6 — Determine stability.

Interview - Colin Sanders

Colin Sanders is a UK based formulator of cosmetic and topical pharmaceuticals for 27 years. Over that time he has formulated nearly every category of product including shampoos, cosmetic skin creams, pharmaceutical skin creams, face masks, lip balms and more. He has been an active member of the Society of Cosmetic Scientists since 1985 and in 1999 organized the first of the Formulate shows. His degree is in environmental science and he continues to take a keen interest in the impact of human activities on the planet. He regards himself as an environmental activist and all round green. When not in the lab, he writes a blog, Colin’s Beauty Pages with the intention of entertaining and hopefully informing users of cosmetic and personal care products with some insider insights, a bit of science and his own opinions.

The Innovative Cosmetic Chemist

Suppose all the people who use your product suddenly couldn’t see color & couldn’t smell fragrances. How would you differentiate your products from your competitors?


The Complete Cosmetic Chemist training program is only open for a short time but you can still get in if you register before September 30, 2010.

Midwest SCC’s fall technical symposium about Open Innovation on October 26th.

If you have a question, comment or other suggestion about the podcast, leave a message in the space below.

Chemists Corner is a podcast about cosmetic science and is broadcast to help educate, entertain, and inspire current and future cosmetic scientists. The information and opinions discussed on Chemists Corner are those of the hosts and the guests alone. They do not necessarily reflect those of any past, present or future employers.

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How to Become a Cosmetic Chemist

The job of a cosmetic chemist, or as they call it in the UK a cosmetic scientist, requires you to do a wide variety of things both in and out of the lab. Your main responsibility will be that of a formulator. This means you mix raw materials together to create cosmetic products like lipstick, nail polish, skin lotions, shampoos, toothpaste and any other type of personal care product.

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