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Preventing Yellowing in C E Ferulic Formula with Protec OX

I have a C E Ferulic formula that turns yellow over time due to oxidation. I want to prevent this yellowing. 1. Which ingredient is more suitable for preventing...

Cosmetics Antioxidant Color Changing Oxidation Serum Stability
Posted by jn_andy
2017-09-10
Expected results and delayed acne from Vitamin C serum

I mixed a Vitamin C E Ferulic serum kit. Initially, I saw good results (brightening, firmness). However, after using it for 2-3 months, I started getting acne. I personally...

Cosmetics Delayed Acne Ingredient Suitability Plateauing Effect Serum Skin Irritation
Posted by jn_andy
2017-09-10
Deodorant Stick Formulation: Mixing, Ingredients, Staining, and Odor Control

I am making a deodorant stick. Could you please advise on the mixing steps for the basic formula? Also, how should I add powder ingredients like Vitamin B3 (Safe-B3) and oils...

Cosmetics Deodorizing Mixing Procedure Staining Stick Sweat Reduction
Posted by shopslim
2017-09-10
High Coverage Foundation for Melasma: DIY Formulation Options

I am looking for a high-coverage foundation, specifically to cover melasma. I have found that many commercial foundations do not provide sufficient opacity, and my melasma...

Cosmetics Coverage Foundation Foundation Base Melasma Treatment Pigment
Posted by tapaew
2017-09-10
Bubble Bath Bar Formulation and Method

I have a list of ingredients for making a bubble bath bar and would like a formula and method. I want the bar to fizz and create abundant bubbles, and also leave the skin...

Cosmetics Bubble Bar Effervescence Foaming Hardness Skin Softness
Posted by isisissine
2017-09-10
Review and Suggestions for DIY Natural Deodorant Cream Formula

I am overweight and have strong body odor, including a sour smell. I want to make a natural deodorant cream that is as natural as possible. I want it to reduce body odor,...

Cosmetics Cream Deodorant Formula Review Non-sticky Texture Skin Brightening
Posted by parnpool
2017-09-09
Classification of Mild Preserved Eco and Preservative-Free Claim

Is Mild Preserved Eco, which contains Ethylhexylglycerin and Propanediol, classified as a preservative according to COSING and FDA regulations? Can products formulated with...

Cosmetics Claim Ingredient Classification Preservation Preservative-Free Formulation Regulatory Compliance
Posted by annasakulratch
2017-09-08
DIY Clay Mask Formulation: Replicating L'OREAL Pure-Clay Mask Texture and Benefits

I would like to create a DIY face mask similar to the L'OREAL Pure-Clay Mask Purify & Clarify Treatment Mask. I have the ingredient list from cosdna.com and would like guidance...

Cosmetics DIY Formulation Face Mask Hydration Skin Brightening Texture
Posted by yaowapa
2017-09-08
DMAE in Eye Cream: Usage, Concentration, and Irritation

Can DMAE (Dimethylaminoethanol) be used in an eye cream formulation? What is the recommended usage percentage, are there any side effects like irritation, and does it provide...

Cosmetics Eye Care Eye Irritation Hydration Usage Percentage Wrinkle Reduction
Posted by t.siamsiam.s
2017-09-08
Homemade Physical Sunscreen Formula Review for Texture and SPF 50

I am developing a homemade physical sunscreen formula aiming for SPF 50 with a soft, smooth, non-sticky texture. My formula includes Water (approx. 61%), SiliSolve Plus (3%),...

Cosmetics High Protection Non-sticky Texture Sunscreen Formulation Texture Water-in-Silicone
Posted by nid.544595
2017-09-07
Making Cream with Beeswax and Water: Why it Separates and How to Fix It

I'm trying to make a cream by mixing Natural White Beeswax and Purified Water, TDS Limit 1PPM), but they are separating. How can I make a stable cream formulation using these...

Cosmetics Cream Emulsifier Phase Separation Stability
Posted by praewaa30
2017-09-07
Perfume Formulation for Skin: Enhancing Longevity and Diffusion with Last-Fix

How to create a perfume formulation for skin application that provides good scent diffusion and longevity, using Last-Fix as recommended? What is the recommended formula? Based...

Cosmetics Fragrance Diffusion Fragrance Fixation Fragrance Longevity Perfume Spray
Posted by n_wiean
2017-09-07
Silicone-Free Hair Conditioner Formulation: Texture and Viscosity Adjustment

I am developing a silicone-free hair conditioner formula and want to achieve a milky white texture with a viscosity similar to Pantene conditioner. I have the following base...

Cosmetics Compatibility Conditioner Silicone-Free Texture Viscosity
Posted by ezarian11
2017-09-07
Serum Formulation for Melasma and Aging Skin: Compatibility and Concentration Check

I want to make a serum for my 50-year-old mother who has normal skin, dullness, melasma, sagging skin, and wrinkles. I want a liquid serum texture that is easy to apply and not...

Cosmetics Anti-aging Cosmetic Formulation Melasma Treatment Serum Stability
Posted by yaowapa
2017-09-07
Serum Formulation: Emulsifier, Mixing Procedure, and Preservation

I have a serum formulation and have some questions about the mixing procedure: 1. Is the formula correct? 2. Regarding the mixing process, should I mix the two oil-soluble...

Cosmetics Emulsifier Ingredient Interaction Mixing Procedure Preservation Serum
Posted by surayuth2516
2017-09-07
Preventing Rancidity in Coconut Oil Lip Balm

I am making a lip balm using coconut oil, but it tends to go rancid (develop a bad smell) quickly. I have a few questions: 1. Can a lip balm that has already gone rancid be...

Cosmetics Lip Balm Oil Oxidation Preservation Stability
Posted by nupookca
2017-09-07
Using Liquid Flavor in 100% Oil-Based Lip Balm vs. Powder Flavor

I am making a 100% oil-based lip balm. I have two questions: 1. Can I use liquid flavor in this 100% oil-based formula? 2. What is the difference between liquid flavor and...

Cosmetics Flavor Ingredient Suitability Lip Balm Oil-based Formulation Solubility
Posted by nupookca
2017-09-07
Night Cream Formula for Dry Skin: Whitening, Dark Spots, Redness, Wrinkles - Ingredient Compatibility & Mixing

I have updated my nighttime skincare formula for dry, dull skin with dark spots, redness from acne, and wrinkles. The goal is to achieve brighter, clearer skin and reduce...

Cosmetics Cream Hyperpigmentation Mixing Procedure Skin Brightening Skin Dryness
Posted by manlyleo
2017-09-07
Skin Irritation from Perfume Spray (Alcohol/Fragrance)

I am making a perfume spray using Ethyl Alcohol (99.9%) and a fragrance oil blend with LastFix. After spraying, I experience skin irritation, including dryness, stinging,...

Cosmetics Alcohol Formulation Oil-based Formulation Scent Suitability Skin Irritation Spray
Posted by kissykissy.shop
2017-09-06
Peel-off mask formula effectiveness for blackhead removal

Regarding my peel-off mask formula with the provided ingredient list, could you please explain which ingredient is responsible for removing blackheads, or why the formula does...

Cosmetics Blackhead Removal Effectiveness Film Former Ingredient Function Peel-off Mask
Posted by ronnakrit_nueng
2017-09-06