Browse Questions and Answers
Avg response: 8 HrsFilter Questions
20 of 13946 results
Serum Formulation Review for Non-Sticky Texture
How to formulate a non-sticky, fast-absorbing, non-clogging serum using specific ingredients, including questions on ingredient compatibility, necessary additions (like...
Properties and Use of Oil Stick™ Hard and Oil Stick™ Medium
I purchased **Oil Stick™ Hard** and **Oil Stick™ Medium**. I would like to know: * Are these substances waxes, gels, or polymers? * Why do they become hard and clear when...
Formula Review: SPF 30 Zinc Oxide Sunscreen Spray for Sensitive Skin
Hello, please review the following formula. The objective is an SPF 30 sunscreen spray, focused on reapplication throughout the day, for sensitive skin. **Formula:** * Zinc...
Carbopol Gel Instability with Laurocapram and Alternatives
When formulating a Carbopol gel, adding Laurocapram mixed with water and Propylene Glycol before neutralization caused instability, resulting in white clumps and failure to...
Customizing Absolue Soft Cream Base with Actives and Addressing Oiliness
I want to purchase 1 kg of Absolue Soft Cream Base to use as a morning cream before makeup. I plan to add the following ingredients: 1. `Panthenol ( Pro Vitamin B5 , DL-...
Usage Percentage of Potassium Cocoyl Glycinate and Potassium Cocoate in Shampoo and Facial Cleanser
What are the recommended usage percentages for Potassium Cocoyl Glycinate and Potassium Cocoate (30%) when formulating shampoo and facial cleanser products?
Review and Feedback on Cleaning Water Formula
Seeking feedback and suggestions on a provided Cleaning Water formula, including potential ingredient adjustments and general formulation review.
Beta Cyclodextrin Stability at High pH
Can Beta Cyclodextrin be used in solutions with a pH higher than the recommended range of 5-8? What are the potential negative effects if Beta Cyclodextrin is used at high pH?
Using Cyclodextrin to Incorporate Drugs into Cream
Please explain the process of using Cyclodextrin, including both Beta-methyl Cyclodextrin and regular Cyclodextrin, to incorporate drugs into a cream formulation. Specifically,...
Raspberry Ketone: FEMA Status and Solubility
What does the FEMA 2588 code indicate about Raspberry Ketone's suitability as a food flavoring/food grade, and what solvents are suitable for dissolving this substance, given...
Converting Percentage Concentration to ppm for Glass Moist
How can 20% concentration of 'Glass Moist' be converted to ppm, and what information is needed for this conversion?
Using Ezerwax in Lip Balm Formulation
How to use Ezerwax™ in a lip balm formulation, including recommended usage percentage and the correct step for addition.
Applying Vitamin C and B3 Serums Separately: Timing and Layering
If Vitamin C and B3 (Niacinamide) serums should not be mixed in the same bottle, what is the recommended waiting time when applying them separately from different bottles for...
White Clumps in Cream Formulation with MSH White
What causes white clumps that dissolve upon rubbing in a cream formulation containing MSH White, Safflower Seed Oil, Satin Cream Maker, and other ingredients, when the heated...
Oil-Soluble Ingredients for Dark Spots in Oil Base
Seeking recommendations for effective oil-soluble ingredients to reduce melasma, freckles, and dark spots for use in an oil-based facial product. Specifically asking about the...
Using Pure-Biotin in Water Serum and Alternatives
How can Pure-Biotin™ be incorporated into a water-based serum formula, given its solubility limitations? Are there any water-soluble alternatives available, especially since...
Preservation and Stability for Simple Gel Formula
Is a simple gel formula consisting of 3% Horse Placenta Extract and 97% Aloe Vera Gel base stable and sufficiently preserved, or are additional ingredients required?
Mixing Actives into Absolue Soft Cream Base: Viscosity, Stability, and Preservation
I have purchased Absolue Soft Cream Base and plan to mix it with other ingredients, specifically [active ingredients in water] or [active ingredients in oil]. I previously saw...
Availability of NAB Butter bur Extract
The user is asking if the ingredient "NAB Butter bur Extract" is available for purchase.
Combining Niacinamide with Rosehip Oil (Natural Vitamin C/A)
Given the common understanding that Niacinamide should not be combined with Vitamin C or Retinol in formulations, can Niacinamide be used with Rosehip oil, which naturally...