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Determining Finished Product Expiration Date Based on Ingredient Expiry

When determining the expiration date for a finished cosmetic product, if an ingredient has an expiration date earlier than the intended shelf life of the finished product...

Cosmetics Finished Product Formulation Testing Ingredient Suitability Shelf Life Stability
Posted by siwarin.e
2016-10-21
Cosmetic Ingredient Labeling for Blends (e.g., Butter Cream Maker)

If I use the ingredient blend `Butter Cream Maker` (containing Cetyl Alcohol, Glyceryl stearate, and CETETH-20) at 4% in a cosmetic formula, how should I declare these...

Cosmetics Cream FDA Registration Ingredient Declaration Ingredient Mixture Regulatory Compliance
Posted by siwarin.e
2016-10-21
Facial Foam Formulation: High pH Issue and Alternative Approach for Creamy Texture

I am trying to formulate a creamy facial foam. My initial attempt using ingredients like Stearic Acid, Lauric Acid, Myristic Acid, and Potassium Hydroxide resulted in a high pH...

Cosmetics Facial Cleanser Gentle Formulation High pH Pearly Texture pH Suitability
Posted by slimandspa
2016-10-21
Seeking Cosmetic Formulation Courses (Eyeshadow, Highlighter)

I am looking for places that teach cosmetic formulation, specifically for eyeshadow and highlighter. Could you please provide information or suggestions?

Cosmetics Cosmetic Formulation Educational Resources Eyeshadow Highlighter
Posted by jinxy_y
2016-10-21
Ready-to-Use & FDA Registration for Vitamin C Serums

I would like to inquire about the products "Vitamin C E Ferulic (Lite)" and "Stabilized Vitamin C (Natural-C Glycol™) Serum". Are these products ready to use directly, or do...

Cosmetics Cosmetic Formulation FDA Registration Product Inquiry Ready-to-use Formulation Serum
Posted by icuicuic4u
2016-10-21
Drawbacks of Using Cosmetic Powders Above Recommended Levels

What are the potential negative effects or drawbacks of using cosmetic powders such as BB Micro Silk, Amino Silk, SiliSilk, and Polymethylsilsesquioxane at concentrations...

Cosmetics High Powder Content Powder Stability Texture Usage Percentage
Posted by nuchjare6495
2016-10-21
Liquid Matte Lipstick Color Changes on Contact with Saliva

My liquid matte lipstick changes color when it comes into contact with saliva. I used water-soluble dye colors (like those with 'Dye' in the name) and Mica powders. Why does...

Cosmetics Color Changing Coloring Ingredient Suitability Liquid Lipstick Oil-based Formulation
Posted by karisa.s
2016-10-21
Face Cream Formulation: Ingredient Compatibility and Emulsifier

I am trying to formulate a face cream using the following ingredients: * Almond Oil * Cocoa Butter * Shea Butter * Coconut Oil * Natural White Beeswax * Floral Water * Aloe...

Cosmetics Compatibility Cream Custom Formulation Emulsifier Texture
Posted by chonglak.angsukran
2016-10-21
Troubleshooting Homemade Toner & Day Cream: Irritation, Clogged Pores, and Whitening Issues

I have developed two cosmetic formulas: a leave-on Toner and a Whitening Day Cream. I have encountered issues when testing them on users and would like to request an analysis...

Cosmetics Clogged Pores Cream Formulation Adjustment Skin Irritation Toner
Posted by jn_andy
2016-10-20
Solubility and Compatibility of Ingredients in Oil-Based Serum Formulation

Regarding an oil-based serum formulation: * Do I need a solubilizer or heat to dissolve the ingredients? * Should I add 10-15% `LipidSoft™ Dry` to lighten the texture? * Can I...

Cosmetics Compatibility Oil-based Formulation Serum Solubility Texture Modification
Posted by soulmate_super
2016-10-20
Sunscreen Formulation Adjustment for W/O Emulsion

I want to formulate a sunscreen using the following mineral filters: * `Zinc Oxide Nano EasyDisperse` 10% * `Titanium Dioxide Nano EasyDisperse` 5% These total 15% mineral...

Cosmetics Sun Protection Sunscreen Formulation Texture Water-in-Oil Waterproof
Posted by baan2545
2016-10-20
Melasma Spot Treatment Serum: Azelaic Acid and Base Stability

I am formulating a spot treatment serum for melasma with the following ingredients: * Niacinamide 5% * N-Acetyl Glucosamine 4% * Alpha Arbutin 2% * ODA-White Plus 2% * Natural...

Cosmetics Emulsifier Melasma Treatment Serum Skin Irritation Stability
Posted by chavanat_pongy
2016-10-19
Evaluating MP Soap Formula for Brightening and Anti-Aging

Could you please review this Melt and Pour (MP) soap formula? I'm looking for a formula that helps with skin brightening and reduces wrinkles. Can I use the following...

Cosmetics Bar Soap Compatibility Skin Brightening Wrinkle Reduction pH Suitability
Posted by zogoood
2016-10-19
Advice for Combination Skin with Blackheads when using Treatment Oil

I have combination skin and blackheads. I am using a treatment oil that I like, but I find it too oily for my skin. What should I do to continue using this oil or manage the...

Cosmetics Blackhead Removal Combination Skin Oil Texture Usage Method
Posted by myboeing2
2016-10-19
Vitamin C Stability in Lotion and Alternatives

I want to mix the following ingredients into Vaseline yellow lotion: * Vitamin B3 (Niacinamide) * NAG (Acetyl Glucosamine) * Vitamin C (L-Ascorbic Acid) * Glycerin I understand...

Cosmetics Ingredient Interaction Lotion Solubility Stability Water-based Formulation
Posted by ilove_caramel
2016-10-19
Formulation with Butter Cream Maker: Papaya Enzyme, Whitening Actives, and Stability

I have purchased the following ingredients and would like to formulate two products using Butter Cream Maker™: 1. An exfoliating lotion using `Butter Cream Maker™`, `Papaya...

Cosmetics Cosmetic Formulation Ingredient Interaction Lotion Stability Texture
Posted by anon0563
2016-10-19
Reducing Slipperiness in Facial Cleanser with Lauryl Glucoside

How can the slipperiness of a facial cleanser formulation containing `Cocamidopropyl Betaine` and `Lauryl Glucoside` be reduced, without changing the amounts of these two...

Cosmetics Facial Cleanser Ingredient Suitability Slip Surfactant Texture
Posted by glutacareshop
2016-10-18
Why Face Creams Cost More Than Body Creams

I understand that body care products don't necessarily contain more active ingredients than face care products. Could you please explain the actual reasons why face creams are...

Cosmetics Cream Formula Cost Lotion Packaging Pricing
Posted by nidachot
2016-10-18
Enhancing Vitamin B3 + NAG Formula for Acne, Oiliness, and Pores

Can I add Licorice Extract and Vitamin B6 to a formula containing Vitamin B3 (Niacinamide) and NAG (N-Acetyl Glucosamine) to help with acne, oiliness, and large pores? What are...

Cosmetics Acne Treatment Cosmetic Formulation Oil Control Pore Reduction Serum
Posted by korymori
2016-10-17
Preservative Compatibility (Phenonip P4) in Sulfate Free Shampoo Base: Color Change & Separation?

When using the preservative `Phenonip P4` in `Sulfate Free Shampoo Base`, will it cause the product's color to change or separate? If it does, please recommend alternative...

Cosmetics Compatibility Preservation Shampoo Base Stability Sulfate-Free Formulation
Posted by wanthida.cit
2016-10-17