Comments

• I'm the less qualified in this forum, but it's right here that I learnt that ultramarine in pigments may turn the final product to smell like hell. A pH problem. Occasionally, ultramarine blue is used in products for very dark complexions, as long …

  in What would make this smell like sulfur? Comment by maria March 2018
• Not to my knowledge. I really do not understand, Deciem doesn't need any fancy sentence to sell his products. http://theordinary.com/product/rdn-lactic-acid-10pct-ha-2pct-30ml

  in Formulating with Acids: pKa and pH Comment by maria February 2018
• Thank you DrBob. I'll never stop learning :)

  in Formulating with Acids: pKa and pH Comment by maria February 2018
• vjay I disperse pigments in a bit of oil, then I add a solubilizer like PGE-10 laurate and then in the oil fase.I do use carbopol ultrez 21 and 30 with titanium Dioxide along with xanthan gum , but in o/w emulsions.Milla I use both thickeners you me…

  in Pigment Dispersion in BB Cream Comment by maria April 2014
• I learnt to disperse oxide pigments and TO2 in a bit of solubilizer for my BB creams, I was given the full explanation that has obviously to do with the surface tension.I use it in o/w, don't know if it works for w/o as well.I would be nice to here …

  in Pigment Dispersion in BB Cream Comment by maria April 2014
• If I'm not wrong I learnt about this study http://www.nyscc.org/cosmetiscope_archive/backissues/Cosmetiscope_01.2007.pdfin this forum."It has been reported that urea is released more quickly and in a higher concentration from oil-in-water (O/W)…

  in Efficacy of water based actives in a W/O emulsion? Comment by maria March 2014
• Carbopol ultrez 30 can be the good choise. I'm using it with panthenol and works well.

  in Thickeners - High Polarity Formulations Comment by maria February 2014