Advanced Questions

Discussion List

• Ascorbyl tetraisopalmitate VS tetrahexyldecyl ascorbate

  22 views 1 comment 0 points Most recent by Pharma 4:42AM
• contaminated Hard soap

  53 views 1 comment 0 points Most recent by PhilGeis September 13
• A question for the chemistry majors on tetrahexyldecyl ascorbate, please . . .

  105 views 4 comments 0 points Most recent by Pharma September 1
• Natural colours - are there any that are stable at pH 7-10.5?

  21 views 0 comments 0 points Started by Herbnerd August 18
• HEC (hydroxyethylcellulose) dissolution problem

  213 views 10 comments 0 points Most recent by ketchito August 11
• Triethanolamine uses

  103 views 2 comments 0 points Most recent by Batoul August 8
• Incorporating low concentrations of lipophilic ingredients into a hydrophilic base

  73 views 3 comments 0 points Most recent by Perry August 2
• Homogenizing "the next day"

  150 views 6 comments 0 points Most recent by ggpetrov August 1
• calcium carbonate coated with stearic acid

  38 views 0 comments 0 points Started by bayo1214 July 21
• Airless Packaging: When is it essential?

  116 views 5 comments 0 points Most recent by Abdullah July 19
• L-Arginine and Taurine interactions

  62 views 4 comments 0 points Most recent by vitalys July 17
• Emulsion w / o with soy lecithin

  95 views 5 comments 0 points Most recent by Pharma July 14
• Ease of combing the hair??

  283 views 8 comments 0 points Most recent by Stanley July 13
• Water appeared when stability testing with Warm Oven

  104 views 2 comments 0 points Most recent by hobbiz June 29
• Progesterone Cream

  106 views 4 comments 0 points Most recent by chickenskin May 29
• Lidocaine HCL degrading problem

  100 views 5 comments 0 points Most recent by lovermanco May 28
• What might be the source of benzene in a sunscreen?

  157 views 7 comments 0 points Most recent by chickenskin May 27
• O-Cymen-5-ol

  127 views 4 comments 0 points Most recent by Dr Catherine Pratt May 23
• Does it really matter which phase is initially added to the other?

  143 views 4 comments 0 points Most recent by doctorbrenda May 19
• Vitamin E (tocopherols and tocotrienols)

  67 views 0 comments 0 points Started by ifamuj May 7
• Hyaluronidase

  273 views 20 comments 0 points Most recent by Dreamer77 May 5
• Incomplete IL for an SPF?

  220 views 15 comments 0 points Most recent by MarkBroussard April 27
• Which ingredient is most likely to be causing irritation?

  303 views 9 comments 0 points Most recent by Yulin April 11
• penetration enhancer combined with HMW hyaluronic acid= similar to LMW HA?

  167 views 3 comments 0 points Most recent by DRBOB@VERDIENT.BIZ April 3
• Talc Powder

  74 views 1 comment 0 points Most recent by Perry March 20
• Viscosity Changes

  119 views 1 comment 0 points Most recent by chemicalmatt March 10
• Ethyl alcohol from sugar Yield

  74 views 2 comments 0 points Most recent by Benz3ne March 8
• What exactly is Argania spinosa fruit extract?

  124 views 4 comments 0 points Most recent by Pattsi March 5
• Neuralgia cream....collecting ideas.

  262 views 17 comments 0 points Most recent by Graillotion March 1
• Possible spoiling oil-based mixture?

  94 views 2 comments 0 points Most recent by Benz3ne February 16