Day 7 – The Biology Of The Hair

Welcome to Day 7 of the 30 Days to Become a Better Cosmetic Chemist series

This 30 day challenge is all about giving you basic exercises that will improve your abilities as a cosmetic chemist.

In this episode

In today’s episode Iโ€™ll share:

  • The biology of hair relevant to cosmetic formulating
  • The composition of hair and its structure
  • How hair grows
  • 10 most significant hair care problems

Relevant to Exercise

After you make your list, leave a comment below with the products you reviewed. Also, if you have any questions or comments on the topic, leave those below.

5 thoughts on “Day 7 – The Biology Of The Hair

  1. Avatar
    Monica says:

    Hi Perry,

    Thank you for the information! Upon recent investigation, it seems as though & has shutdown, are there any other resources?

  2. Avatar
    Nada says:

    Ingredients: Water, Sodium Laureth Sulfate, Sodium Citrate, Cocamidopropyl Betaine, Sodium Xylenesulfonate, Sodium Lauryl Sulfate, Sodium Chloride, Fragrance, Stearyl Alcohol, Glycerin, Cetyl Alcohol, Dimethiconol, Citric Acid, Sodium Benzoate, Dimethicone, Guar Hydroxypropyltrimonium Chloride, Tetrasodium EDTA, Trisodium Ethylenediamine Disuccinate, Tea-Dodecylbenzenesulfonate, Polyquaternium-6, Polyquaternium-10, Trihydroxystearin, Trideceth-10, Mica, Titanium Dioxide, Panthenol, Panthenyl Ethyl Ether, Silica, Iron Oxides, Methylchloroisothiazolinone, Methylisothiazolinone

    That took A LOT of time ๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚!
    Actives would be I guess sls, cocamidopropypl bentane, soduim xylene sulphate, dimethacone, guar hydroxypropyl trimonuim chloride
    Polyquaturnuims, tridecth 10

    • Avatar
      Perry Romanowski says:

      You mostly got them. SLES, Betaine, Dimethiconol and Guar Hydroxypropyl Trimonium Chloride would be the main ones. The Sodium Xylene Sulphonate & Trideceth 10 are aesthetic modifier ingredients.

      • Avatar
        Nada says:

        But isnโ€™t tidecth a surfacant?? And poly quaturnimes decrease static electrcity so it woukd be an anti frizz??
        And I posted another comment in your claim ingredients posts, can you also check that?
        Thank you soo muchh!!!!!

        • Avatar
          Perry Romanowski says:

          Yes, they are surfactants. But they are included to stabilize the formula not to really provide a benefit. And yes Polyquats do provide anti-static effects, it’s just that you only need 1. You can’t tell much difference when you use 2 different ones.

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