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Aloe Vera Gel Formulation Review and Preservative Concerns

Could you please review my aloe vera gel formula and provide feedback? I used the following ingredients and percentages: * Pro Polymer™ 5% * Aloe Vera Extract (extraction ratio...

Cosmetics Allergy Gel Ingredient Suitability Preservation Texture
Posted by offy_laila
Skincare for Melasma and Oily Skin After Stopping Cream

What is the recommended skincare approach for melasma and oily skin after stopping a previous cream for 2 months, considering potential residual irritation? What ingredients...

Cosmetics Gentle Formulation Melasma Treatment Oily Skin Skin Barrier Repair Sun Protection
Posted by nickhot123
Packaging for Cosmetic Stability: Protecting from Air, Light, and Temperature

Regarding the packaging of cosmetic products, particularly concerning ingredient stability and protection from environmental factors like temperature, light, and air: 1. How...

Cosmetics Airless Bottle Degradation Light Sensitivity Packaging Stability
Posted by naasuaysai
Formulating a Toner for Visible Cleansing Residue

What ingredients or formulation strategies should be used to create a toner that effectively lifts impurities and leaves visible residue (dirt, oil, makeup, dead skin cells) on...

Cosmetics Cleaning Formulation Adjustment Ingredient Selection Residue Toner
Posted by freshy-beauty
Physical Sunscreen Formulation: Separation and Cleansing Issues

I have a physical sunscreen formulation that separates after about 30 minutes. The formula is: 1. Zinc Oxide 5% 2. Titanium Dioxide 5% 3. Cyclomethicone 40% 4. Dimethicone 16%...

Cosmetics Cleaning Phase Separation Stability Sunscreen Formulation Texture Modification
Posted by supalerg
Combining BHA Toner Ingredients with Serum: Formulation Challenges and Recommendations

I am formulating a serum for whitening, acne reduction, and oil control using the following ingredients: * Vitamin B12 (VB12) 5% * Vitamin B5 * N-acetyl Glucosamine * Zinc PCA...

Cosmetics Formulation Adjustment Ingredient Interaction Serum Texture pH Adjustment
Posted by apisit-2014
Adding Vitamin B3 and N-acetyl Glucosamine Powders to Cream Base

I want to add Vitamin B3 powder and N-acetyl Glucosamine powder to an existing cream base. Do I need to dissolve them in water first, or can I add them directly to the cream...

Cosmetics Cream Ingredient Addition Mixing Procedure Raw Material Solubility
Posted by nuypr
Effective pH range for Encapsulated Salicylic Acid (Timed-Release)

What is the effective pH range for Encapsulated Salicylic Acid (BHA, Timed-Release) in a formulation, and does the manufacturer specify a single optimal pH point within this range?

Cosmetics Effectiveness Encapsulation Ingredient Function Timed-Release pH Suitability
Posted by apisit-2014
Preservatives for Saponified Soap (High pH, Heat)

I am making bar/liquid soap using the saponification method (oil + lye) and want to add natural ingredients like tofu, cucumber, or aloe vera, which can cause the soap to spoil...

Cosmetics Heat Stability High pH Preservation Saponification Soap
Posted by hatunya
Emulsifiers for Adding Natural Oils to Liquid Soap

I want to add natural oils to my liquid soap formula to help with skin dryness. Since ClearClean is not available, what alternative emulsifiers or ingredients can I use to...

Cosmetics Emulsification Ingredient Alternatives Liquid Soap Skin Dryness Texture
Posted by monrada16
Water-Based, Silicone-Free Physical Sunscreen Ingredient

How can I formulate a physical sunscreen with a light, non-sticky texture (similar to the "ครีมกันแดด SPF35/PA+++ เนื้อเบา ไม่เหนอะหนะ" recipe) that is water-based and...

Cosmetics Light Texture Physical UV Filter Silicone-Free Sunscreen Formulation Water-based Formulation
Posted by bai_kaew
Analysis and Formulation Advice for Natural Skin Cream

I am planning to create a natural skin cream using the following ingredients: Beeswax, Soy lecithin, Shea butter, Alpha arbutin, Niacinamide, Licorice powder, Tomato extract,...

Cosmetics Cosmetic Formulation Cream Natural Formulation Skin Brightening Stability
Posted by fluke_watchara_yindeesinght
Inquiry about Makeup Base vs Primer and Formulation Guidance

What is the meaning of "Makeup Base"? Does it refer to "Primer"? Could you please provide more information, including examples of product names and ingredients from market...

Cosmetics Cosmetic Formulation Formulation Comparison Formulation Examples Ingredient Suggestion Primer
Posted by krpxray
White Residue in Vitamin C Silicone Serum

Regarding a Vitamin C serum formulation containing L-Ascorbic Acid and Vitamin C Ester in an anhydrous base of Isododecane and silicone: When applied to the face, do the...

Cosmetics Anhydrous Formulation Residue Serum Silicone-based Formulation Texture
Posted by pare_natsinee
Stabilized Vitamin C pH Adjustment and Stability for FDA Registration

Regarding the ingredient `Stabilized Vitamin C (Natural-C Glycol™)` which has an original pH of 2-3: 1. For cosmetic registration with the FDA, the pH needs to be at least 3.5....

Cosmetics Effectiveness FDA Registration Stability Vitamin C pH Adjustment
Posted by naasuaysai
Sunscreen Formulation: High Oil Phase, Emulsifier, Stability, and Antioxidants

Based on a proposed sunscreen formula: * SPF Protect Ultra II 20% * LipidSoft Lite 10% * DHHB 10% * Oxybenzone 10% * Vitamin E 1% * Water, Light Cream Maker 1%, Preservative I...

Cosmetics Emulsifier Stability Sunscreen Formulation Texture Usage Percentage
Posted by cram-croo
Gentle Cleanser for Oily, Acne-Prone Skin with Clogged Pores

I need advice on formulating a gentle facial cleanser suitable for oily skin prone to inflammatory acne and clogged pores. My current cleanser doesn't seem to completely clear...

Cosmetics Acne Treatment Clogged Pores Facial Cleanser Gentle Formulation Oily Skin
Posted by apisit-2014
Serum Formulation Issues: pH, Stability, Viscosity, and Azelaic Acid Precipitation

I am developing a serum formulation using **Silky Serum Base** with the following ingredients: * **Azelaic Acid (Liquid Azelaic™)** 10% * **Vitamin B3 (Niacinamide)** 5% *...

Cosmetics Formulation Adjustment Precipitation Serum Stability pH Adjustment
Posted by naasuaysai
Vitamin C vs Alpha-Arbutin for Skin Brightening

Based on personal experience finding **15% L-Ascorbic Acid** effective for skin brightening compared to Vitamin B3, which is generally considered more effective for skin...

Cosmetics Alpha-Arbutin Effectiveness Skin Brightening Tyrosinase Inhibition Vitamin C
Posted by apisit-2014
Resorcinol Solubility in LipidSoft and Adding WaterGuard to Sunscreen

I have two questions regarding cosmetic formulation: 1. Can cosmetic-grade resorcinol derivatives, such as Activated Resorcinol (4-Butyl Resorcinol), be dissolved in other...

Cosmetics Ingredient Suitability Solubility Sunscreen Formulation Texture Waterproof
Posted by isthislove