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Sunscreen Formulation Questions

Regarding a sunscreen formulation, I have several questions: 1. What is the recommended mixing procedure, especially concerning liquid/gel ingredients versus powder...

Cosmetics Dispersion Mixing Procedure Silicone-based Formulation Sunscreen Formulation Waterproof
Posted by kphphph
2018-10-01
Hair Growth Spray Formulation with 5% Sandal Pentanol (Sandalore)

I need a formula for a hair growth spray for normal scalp using 5% Sandal Pentanol (Sandalore). Since this ingredient is oil-soluble, what kind and amount of base/emulsifier...

Cosmetics Cosmetic Formulation Hair Growth Stimulation Solubility Spray
Posted by xboyspattaya
2018-09-30
Adjusting Deodorant Spray Formula to Reduce Irritation

I have formulated a deodorant spray and am experiencing skin dryness, peeling, and irritation after use. I suspect the issue might be related to the high concentration of...

Cosmetics Deodorant Formulation Adjustment Ingredient Alternatives Skin Irritation Spray
Posted by nid.544595
2018-09-29
Formulation Challenges with Acidic Actives (AHA, BHA, Vitamin C) and Emulsifiers

I am developing several cosmetic formulas containing acidic active ingredients and have some questions regarding formulation techniques, ingredient compatibility, stability,...

Cosmetics Acidic Formulation Compatibility Stability Texture pH Adjustment
Posted by bnk
2018-09-29
Recreating Laura Mercier Lip Silk and Lip Balm Formulations

How can I recreate Laura Mercier Lip Silk and Laura Mercier Lip Balm based on their ingredient lists? I understand exact ratios may not be available, but I'd like guidance on...

Cosmetics Custom Formulation Ingredient Alternatives Lip Balm Lip Product Texture
Posted by ppatanavanich
2018-09-28
Troubleshooting Cream Formulation with Allantoin and Sym-White

I am making a cream formulation with approximately 53% water, containing 0.5% Allantoin and 0.5% Sym-White™ (Phenylethyl Resorcinol). I am encountering issues with solubility...

Cosmetics Cream Skin Brightening Solubility Stability Texture
Posted by fristkiss001
2018-09-28
Creating a Silky, Lightweight, Waterproof Cream Texture

How can I create a cream with a silky, lightweight, non-sticky texture that absorbs quickly and is waterproof?

Cosmetics Cream Light Texture Non-sticky Texture Silicone-based Formulation Waterproof
Posted by fristkiss001
2018-09-28
Cleansing Water Formula for Sunscreen Removal: Adding Moisturizers and Preservatives

I would like to inquire about a cleansing water formula for removing sunscreen. I am proposing the following formula: * MakeUp-Wash (PEG-6 Caprylic/Capric Glycerides) 7% *...

Cosmetics Cleaning Water Cosmetic Formulation Preservation Preservative-Free Formulation Sunscreen Removal
Posted by arin_khem
2018-09-28
Serum Formulation: Ingredient Compatibility and Absorption Issue

I have formulated a serum with the following ingredients and percentages. Could you please review the formula for ingredient compatibility and advise on any potential issues,...

Cosmetics Compatibility Formulation Examples Penetration Enhancer Serum Skin Absorption
Posted by patarapolchuon
2018-09-28
How to Make a Face Cream with Vitamin B3, Vitamin E, and Azelaic Acid

I would like to request detailed information on how to make a face cream, including the steps and ingredients. I have the following specific questions: 1. Do I need to use an...

Cosmetics Cosmetic Formulation Cream DIY Formulation Emulsifier Preservation
Posted by wannusa_2528
2018-09-28
Creating Cream for Clogged Pores and Blackheads

I have issues with clogged pores and blackheads. I would like to make a cream to address these problems. What ingredients and methods are recommended for creating a cream that...

Cosmetics Acne Treatment Clogged Pores Cream Exfoliation Leave-in Application
Posted by preeyaphat.gle
2018-09-27
Stability and Usage of Pure EGCG and L-Ascorbic Acid Powder Blend Booster

I have a formula containing Pure EGCG that has turned darker over time. I also wanted to know if using Pure EGCG at concentrations exceeding 2% is harmful. Additionally, I have...

Cosmetics Degradation Mixing Procedure Powder Stability Usage Method
Posted by maigonix
2018-09-27
Fragrance Fixative for Alcohol-Based Body Spray

Can `Sugar Fix` be used as a fragrance fixative in an alcohol-based body spray containing alcohol and natural extracts, but no oil or fragrance oil? If so, what is the...

Cosmetics Alcohol Formulation Fragrance Fixation Ingredient Function Spray Usage Percentage
Posted by tuk-1979
2018-09-27
Incorporating Xanthan Gum and Satin Cream Maker in Water/Oil Formula

How should I incorporate Xanthan Gum and Satin Cream Maker into a formula containing 70% water and 10% oil? Can both be dissolved in water, or should one be dispersed in oil first?

Cosmetics Cream Dispersion Emulsifier Mixing Procedure Solubility
Posted by mum141
2018-09-26
Chemical Sunscreen Recommendations for Formulations with Plant Extracts

I am formulating a product and want to use chemical sunscreens, potentially combining them with a plant extract that has some SPF value, to achieve the desired SPF and PA...

Cosmetics Chemical UV Filter SPF/PA Testing Sun Protection Sunscreen Formulation Usage Percentage
Posted by suthida.sjoy
2018-09-26
Adding Ume Extract to Essence: Compatibility and pH Considerations

I have an essence formulation with the following ingredients: * Niacinamide * Acetyl glucosamine * Aloe Vera Extract * Centella Asiatica Extract * Sodium Hyaluronate *...

Cosmetics Anti-aging Compatibility Effectiveness Serum pH Suitability
Posted by sutikarn.s
2018-09-24
Using PVP-K90 in Peel-Off Mask Formulation

What type and usage percentage of Polyvinylpyrrolidone (PVP) are suitable for use in a peel-off mask formulation to create a peelable film?

Cosmetics Film Former Packaging Peel-off Mask Texture Usage Percentage
Posted by 14tankamon45
2018-09-24
Formulating White Solid Lotion Bar and Solid Perfume

Based on the concept of making solid perfume using oil, beeswax, Vitamin E (as an antioxidant), and fragrance, and the similar concept for lotion bars: * How can I formulate a...

Cosmetics Formulation Examples Lotion Bar Solid Perfume Solidification Texture
Posted by merritze.mm
2018-09-24
Sunscreen Formula Separation: Water in Oil EZ and Butter Cream Maker Compatibility

My sunscreen formula with a 34% oil phase is separating. The formula includes the following ingredients: * Water in Oil EZ (at 2.5%) * Butter Cream Maker Why is the formula...

Cosmetics Compatibility Emulsifier High Oil Content Phase Separation Sunscreen Formulation
Posted by jn_andy
2018-09-23
Cream Texture Changed Due to Ingredient Flake Size Variation

I am making a cream formulation using ingredients like Cetyl Alcohol, Cetearyl Alcohol, and Stearyl Alcohol. I recently received a new batch of one of these ingredients, and...

Cosmetics Cream Raw Material Texture Thickener Viscosity
Posted by jn_andy
2018-09-23