Home Cosmetic Science Talk Formulating BB cream changing colour

  • BB cream changing colour

    Posted by Lucylu747 on June 19, 2014 at 12:43 am

    Hi everyone

    I am having a problem with a BB cream that is continuously turning a dark orange type colour in the 45 degree oven.
    The product is SPF 15 and contains avo benzone. It has 3 colour pigments in it, 2 of which are not straight iron oxides, but contain bismuth oxychloride as well. I have been receiving mixed advice on how to solve the problem, with one source saying it is definitely the BiOCl that is the issue and this must be replaced with straight iron oxides, the pigment supplier is saying it is the avo benzone which is changing colour.

    Does anyone have any light to shed on the situation? The formulation also contains niacinamide.

    Thanks!!

    cossci21 replied 10 years, 6 months ago 4 Members · 4 Replies
  • 4 Replies
  • Chemist77

    Member
    June 19, 2014 at 1:09 am

    Avobenzone has an affection for minerals and that gives you the colored complexes, by looking at your description of the formula it is very easy to comprehend that the pigments (straight or not) are forming complexes with Avobenzone. Either you would have to use coated ones which might reduce the effect or eliminate it or with the current recipe try using a little of a chelate.
    Hope my suggestions can be bettered by someone more knowledgeable.

    Check the link below
  • OldPerry

    Member
    June 19, 2014 at 8:31 am

    To answer a question like this you should provide the complete ingredient list.  There may be something in the formula that you don’t realize is causing a problem but we might.

  • Lucylu747

    Member
    June 19, 2014 at 2:18 pm

    Here is the product ingredient list:

    Aqua (Water), Glycerin, Ethylhexyl Methoxycinnamate, Glyceryl Stearate, Stearic Acid, Butyrospermum Parkii (Shea) Butter, Butyl Methoxydibenzoylmethane, Triethanolamine, Dimethicone, Phenylbenzimidazole Sulfonic Acid, Octocrylene, Glyceryl Stearate SE,
    Mica, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, Silica, Alumina, Cyclopentasiloxane, Dimethiconol, Parfum (Fragrance), PEG-100 Stearate, Ethylhexyl Palmitate, Trihydroxystearin, Sodium Hyaluronate, Amorphophallus Konjac Root Powder, Glycine Soja (Soybean) Oil,
    Retinyl Palmitate, Sodium Ascorbyl Phosphate, Tocopheryl Acetate, Panthenol, Propylene Glycol, Hydrolyzed Milk Protein, Lactose, Inulin, Niacinamide, Alpha-glucan Oligosaccharide, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Disodium EDTA, DMDM Hydantoin, Methylparaben, Propylparaben, Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde, Benzyl Benzoate, Hexyl Cinammal, Coumarin, Geraniol, Citronellol, Alpha-Isomethyl Ionone, Benzyl Salicylate, Linalool, Butylphenyl Methylpropional, CI 77891, CI 77491, CI 77492, CI 77163, CI 77499

  • cossci21

    Member
    June 23, 2014 at 9:11 pm

    Hello

    other that what is stated above with possible causes another one might be the Retinyl Palmitate causing the colour change with heat?

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