Browse Questions and Answers

Avg response: 24 Hrs
Minimum 3 characters for search

20 of 14160 results

I would like a review and recommendations for the following two proposed skincare spray formulations: **Formula 1: For Combination to Dry/Very Dry Skin** 1. Pep®-Coll...

Cosmetics Formula Review Oily Skin Skin Dryness Spray Stability
Posted by nuttiizearp
Read More

I have formulated a toner for oil control with the following ingredients and percentages: * Licorice Extract (Licochalcone A) 0.5% * Zinc PCA 1% * L-Carnitine 2.5% *...

Cosmetics Cosmetic Formulation Oil Control Penetration Enhancer Texture Modification Toner
Posted by pikujc
Read More

Regarding Behentrimonium Chloride (BTAC) and Cetrimonium Chloride (CTAC): 1. Can BTAC be mixed into shampoo formulas? 2. Are there any long-term negative effects or dangers...

Cosmetics Conditioner Conditioning Safety Shampoo Skin Irritation
Posted by mitdee2011
Read More

My silicone-based sunscreen formula is separating. How can I prevent this and achieve a silky texture that spreads easily?

Cosmetics Emulsifier Phase Separation Silicone-based Formulation Sunscreen Formulation Texture
Posted by sai-30032538
Read More

I am looking for recommendations for active ingredients to formulate a serum for stimulating eyebrow and mustache growth, similar to the products found in the "Stimulating Hair...

Cosmetics Hair Growth Stimulation Hair Loss Reduction Ingredient Suggestion Serum Solubility
Posted by panuwaty_chp
Read More

I have two questions regarding Vitamin C: * When adjusting the pH to 3.5-4, will it reduce the effectiveness of Vitamin C? * When storing the product for a long time, will the...

Cosmetics Color Changing Degradation Stability Storage Conditions pH Suitability
Posted by monrada16
Read More

I am developing a skincare formulation for post-laser treatment, focusing on wound healing and moisturizing. My proposed formula includes the following ingredients: * Copper...

Cosmetics Hydration Post-Treatment Care Serum Skin Barrier Repair Wound Healing
Posted by mamipokoplants
Read More

Can the colorant used in BB cream be mixed with a hard pearl cream? What factors affect their compatibility, and how can I check if they can be used together without issues...

Cosmetics Coloring Compatibility Cream Stability Texture
Posted by wonderscream
Read More

I would like to inquire about a simple gel formula I am developing for dry skin with redness and inflammation from acne. Can this formula be mixed? My proposed formula is: *...

Cosmetics Gel Hydration Preservation Sensitive Skin Skin Dryness
Posted by fairfairpp
Read More

I have questions regarding the compatibility of certain ingredients and a specific BHA formulation: * Can Reservoir-Tech be used together with Activated Resorcinol? * Can...

Cosmetics Compatibility Formulation Feasibility Precipitation Serum pH Adjustment
Posted by batblast41
Read More

I have an existing cream formulation containing: * Tranexamic Acid (Trans-White™) * GlucoBright™ (Acetyl Glucosamine) * Safe-B3™ (Vitamin B3, Niacinamide) * Licorice Extract...

Cosmetics Acne Treatment Cream Mixing Procedure Sensitive Skin Serum
Posted by chetsoi.cs
Read More

What are the safety concerns regarding chemical sunscreens such as Benzophenone, Octocrylene, and Octylmethoxycinnamate, including the generation of Reactive Oxygen Species...

Cosmetics Chemical UV Filter Ingredient Safety Physical UV Filter Regulatory Compliance Sun Protection
Posted by baan2545
Read More

Could you please explain why preservatives are typically added in the final step of a formulation process? Also, for water-soluble preservatives, is it possible to mix them...

Cosmetics Heat Sensitive Mixing Procedure Preservation Water-based Formulation pH Suitability
Posted by vareeras
Read More

What are the active ingredients in MARIO BADESCU Buffering Lotion that help with clogged pores? What are the functions of these active ingredients? Are there alternative...

Cosmetics Acne Treatment Active Ingredient Clogged Pores Ingredient Alternatives Lotion
Posted by boxofrose
Read More

Regarding the **Fractionated Coconut Oil Gel** base, I would like to ask: * Can I add the following ingredients? * Extracts * Anti-aging ingredients * Preservatives * What is...

Cosmetics Anti-aging Ingredient Suggestion Oil Gel Preservation Usage Percentage
Posted by yui-k-k
Read More

I have formulated a sulfate-free liquid soap using the following ingredients and percentages, totaling 500 ml, resulting in a pH of approximately 6: * Sulfate Free Shampoo...

Cosmetics Fragrance Liquid Soap Sulfate-Free Formulation Thickener Viscosity
Posted by chromos82
Read More

I would like guidance on formulating a concentrated facial serum for dry-combination skin. The serum should target the following concerns: * Large pores * Clogged acne...

Cosmetics Anti-aging Cosmetic Formulation Ingredient Function Serum Solubility
Posted by sucheera.3261
Read More

How should I adjust the pH of a cream formulation containing Sym-White™ (Phenylethyl Resorcinol) to the optimal range of 4-5, and are pH Calibration Buffers 4.00 and 6.86 used...

Cosmetics Cream Skin Brightening Stability pH Adjustment pH Measurement
Posted by autumn1902
Read More

I am formulating a physical sunscreen for oily skin using a cold process method (no heat). I want the texture to be white/smooth, non-greasy, and oil-controlling, with a matte...

Cosmetics Matt Finish Oil Control Oily Skin Stability Sunscreen Formulation
Posted by supakorn.sp19
Read More

I have a lip balm formula for a pot container: * Fractionated Coconut Oil (53%) * Shea Nut Oil (Ultra Soft) (10%) * Olive CLEAR (Hydrogenated Olive Oil) (10%) * Oil Blender...

Cosmetics DIY Formulation Hard Texture Lip Balm Mixing Procedure Shelf Life
Posted by parnyboon
Read More