Browse Questions and Answers

Avg response: 8 Hrs
Minimum 3 characters for search

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...

Cosmetics Preservation Serum Stability Texture pH Adjustment
Posted by kbunanek
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...

Cosmetics Clarity Hardness Ingredient Interaction Oil Gellant Stick
Posted by 6431701002
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...

Cosmetics Sensitive Skin Spray Sprayability Stability Sunscreen Formulation
Posted by tc_special
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...

Cosmetics Gel Ingredient Alternatives Mixing Procedure Penetration Enhancer Stability
Posted by arissara.nam18
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-...

Cosmetics Cream Custom Formulation Ingredient Addition Oil Control Solubility
Posted by nopsarun
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?

Cosmetics Custom Formulation Facial Cleanser Shampoo Surfactant Usage Percentage
Posted by touchzhakornxx
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.

Cosmetics Cleaning Water Compatibility Custom Formulation Preservation Stability
Posted by i8i0i8i
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?

Cosmetics Encapsulation Stability pH Adjustment
Posted by narutagiii
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,...

Cosmetics Cosmetic Formulation Cream Encapsulation Solubility Stability
Posted by arissara.nam18
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...

Cosmetics Food Application Mixing Procedure Solubility
Posted by siriluk
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?

Cosmetics Concentration Ingredient Classification Raw Material Usage Percentage
Posted by blaisecosmeticcenter
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.

Cosmetics Balm Mixing Procedure Solidification Usage Percentage Waxes
Posted by bodymindchiangmai
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...

Cosmetics Compatibility Mixing Procedure Serum Skin Irritation Stability
Posted by sittatta_
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...

Cosmetics Cream Dispersion Heat Sensitive Mixing Procedure Solubility
Posted by austiname789
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...

Cosmetics Serum Skin Brightening Skin Irritation Solubility
Posted by ausay_28
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...

Cosmetics Dispersion Ingredient Alternatives Penetration Enhancer Serum Solubility
Posted by sakul_wudangzhan
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?

Cosmetics Gel Preservation Stability Stability Testing Usage Percentage
Posted by kanapos.suantan
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...

Cosmetics Cream Base Ingredient Addition Preservative-Free Formulation Stability Viscosity
Posted by heaven_kikujiro
Availability of NAB Butter bur Extract

The user is asking if the ingredient "NAB Butter bur Extract" is available for purchase.

Cosmetics Ordering Raw Material
Posted by thailadyartnew
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...

Cosmetics Compatibility Natural Claim Natural vs Synthetic Ingredients Raw Material Stability
Posted by vvthai13