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Waterproof Sunscreen with Foundation Formula (Smooth Texture)

Could you please provide an example formula for a waterproof sunscreen with foundation that has a smooth texture? I am looking for a formula that is easy to make and provides...

Cosmetics Cream Foundation Sun Protection Water-in-Oil Waterproof
Posted by kunnana19
Revised Formula Compatibility and Preservative Suggestion

I have revised my formula. Could you please review its compatibility and advise if a preservative is needed? If so, which preservative do you recommend and at what percentage?...

Cosmetics Formula Review Ingredient Interaction Ingredient Suggestion Preservation Water-based Formulation
Posted by nongwongsawat
Mandelic Acid 5% Gel Formulation for DIY Use

I am interested in using Mandelic Acid. I understand high concentrations like 30% require professional supervision. Could you provide a formulation or guidance for a DIY...

Cosmetics Concentration DIY Formulation Exfoliation Gel Safety
Posted by nongwongsawat
Daily Moisturizer Formulation for Acne-Prone, Oily Skin

I want to create a daily moisturizer (day and night) for acne-prone, oily skin with issues like clogged pores, occasional inflammation, large pores, oiliness, blackheads, and...

Cosmetics Acne Treatment Acne-prone Skin Cream Mixing Procedure Texture
Posted by boom.aloha
Achieving White Color in Oil-Based Soap with Titanium Dioxide

I am making an oil-based soap with glycerin and used `Titanium Dioxide 250nm Pigment (Non-Treated)` to make it white, but it did not achieve the desired whiteness. Why is this...

Cosmetics Coloring Dispersion Ingredient Suitability Oil-based Formulation Soap
Posted by poonpitsamai2559
Review and Advice for Anti-Aging Spray, Acne Toner, and Powdery Feel Cream Formulas

I would like to create three cosmetic products and need advice on the formulas and mixing methods. I have already purchased the ingredients. Some ingredients are expiring in...

Cosmetics Cream Formula Review Spray Texture Toner
Posted by nubird_ja
Choosing Between LHA and Liquid Azelaic™ for Dark Spots and Exfoliation

Initially, I considered using AHA for its exfoliating properties to address specific dark spots on my face. However, upon reviewing the options, there seem to be ingredients...

Cosmetics Exfoliation Ingredient Comparison Leave-in Application Skin Brightening Sun Protection
Posted by thejumpboy3
Cream Formulation: Adding Extracts, Shelf Life, and Color Stability

I would like to ask about formulating a cream: 1. Can natural extracts (herbs) be mixed into a cream formulation? 2. What is the typical shelf life of a homemade cream? 3. When...

Cosmetics Color Changing Cream Preservation Shelf Life Stability
Posted by puipuyy99
Gentle, SLS-Free Baby Shampoo Formula

Regarding a gentle, SLS-free baby shampoo formula, I have two questions: 1. What percentage of preservative should be added? 2. How can I increase the foam to be like adult shampoo?

Cosmetics Foaming Gentle Formulation Preservation SLS-Free Formulation Shampoo
Posted by pattaramonns
Eye Stinging from Makeup Remover Ingredients and Oil-Based Alternative

I am formulating a makeup remover and am concerned about eye stinging from ingredients like `Makeup wash` (PEG-6 Caprylic/Capric Glycerides) and `Coco Wash` (PEG-7 Glyceryl...

Cosmetics Cleansing Oil Eye Irritation Oil-based Formulation Surfactant
Posted by jn_andy
Do Ingredients with the Same INCI Name Have Equivalent Properties?

Do ingredients with the same INCI name have equivalent properties?

Cosmetics Active Matter Content Effectiveness Extraction Method INCI Name Purity
Posted by jn_andy
Addressing Cream Separation with Fractionated Coconut Oil and Emulsifiers

I am making a cream using Fractionated Coconut Oil (Caprylic/Capric Triglyceride). The staff recommended this type of coconut oil so the cream wouldn't solidify when...

Cosmetics Cream Emulsifier Oil-in-Water Phase Separation Stability
Posted by noo_kloy
Achieving a Natural Dewy Glow in BB Cream

How can I achieve a natural dewy glow in my BB cream by mixing in powder? What powders can be used, such as MakeGlow™ Powder (Bismuth Oxychloride) or Mica, and what are their...

Cosmetics BB/CC Cream Dewy Finish Ingredient Selection Powder Texture
Posted by namonaka40
Physical Sunscreen Separation Issue After Following Recommended Recipe

I followed the recommended formula for physical sunscreen from the pinned post, but the sunscreen separated. I tried making it a second time, and the same problem occurred. The...

Cosmetics Mixing Procedure Phase Separation Physical UV Filter Sunscreen Formulation Water Quality
Posted by thejumpboy3
Shaving Gel Formula with Polyglide™

# Shaving Gel Formulation with Polyglide™ I would like to create a shaving gel and incorporate **Polyglide™** as an ingredient to provide lubrication and a smooth feel for the...

Cosmetics Formulation Examples Gel Shaving Skin Irritation Slip
Posted by suriyawut_bird
Reed Diffuser Base Compatibility with Fragrance Oil (Avoiding Alcohol)

My fragrance oil from Hong Huat separates when mixed with **Reed Diffuser Base Type 1**. I want to avoid using **Ethyl Alcohol**. Will switching to **Reed Diffuser Base Type...

Cosmetics Compatibility Diffuser Base Fragrance Phase Separation Reed Diffuser
Posted by jjewjew
Adjusting pH of Stabilized Vitamin C Serum for Stability and FDA Compliance

How can I adjust the pH of **Stabilized Vitamin C (Natural-C Glycol™) Serum** to meet FDA requirements (pH 3.0 or higher) while maintaining its stability? The staff mentioned...

Cosmetics Cosmetic Formulation Regulatory Compliance Serum Stability pH Adjustment
Posted by kphphph
Serum Formulation for Dark Spots, Acne Marks, and Oily Skin

I have developed a serum formulation for dark spots, acne marks, and oily, acne-prone skin. I used ingredients including: * Niacinamide 10% * Zinc PCA * Silicone Gel 10% *...

Cosmetics Acne-prone Skin Hyperpigmentation Oily Skin Serum Skin Irritation
Posted by icuicuic4u
Preservatives for Water-Based Mouthwash

What are suitable preservatives for a water-based mouthwash formulation?

Cosmetics Ingredient Suitability Mouthwash Preservation Water-based Formulation pH Suitability
Posted by cram-croo
Ingredients to Prevent Cream Lipstick from Hardening and Drying

I am making a cream lipstick and packaging it in a jar. The problem is that the cream lipstick becomes hard and dry. Which ingredients can be added to maintain the lipstick's texture?

Cosmetics Hard Texture Lip Product Stability Texture Texture Modification
Posted by teerakitsakul