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Stretch Mark and Scar Cream/Lotion Formulation: Mixing Steps and Stability

Regarding the formulation of a cream/lotion for stretch marks and scars, I would like to confirm if the following mixing steps are correct for the formula provided below,...

Cosmetics Cream Emulsification Lotion Mixing Procedure Texture
Posted by siranant.pooliam
Properties and Mixing of Cyclomethicone and Silicone Gel

I have questions regarding the properties and mixing of Cyclomethicone and Silicone Gel: 1. Is "Silicone 345" the same as Cyclomethicone (specifically Cyclopentasiloxane)? 2....

Cosmetics Gel Heat Stability Ingredient Identification Mixing Procedure Silicone
Posted by nuyo_boom
Reviewing Tester Formulations and Using Vitamin C Kit on Irritated Skin

After experiencing severe redness and irritation from using Benzac, Retin-A, and BHA concurrently, my skin is currently very sensitive and weakened. My primary concern is to...

Cosmetics Acne Treatment Formulation Adjustment Sensitive Skin Skin Barrier Repair Skin Irritation
Posted by air_write
Formulation Questions: Scaling, Allergy Testing, and Ingredient Addition

I have a few questions about formulation: 1. Is my calculation correct for scaling down the Vitamin C E Ferulic Pre-Mix Kit (Base 85g, Powder 15g) to a 20g batch (Base 17g,...

Cosmetics Allergy Amount Calculation Formulation Adjustment Ingredient Addition Serum
Posted by air_write
Comparing Vitamin C Serum Formulas: Silicone vs. Water-Based (Skinceuticals Type)

Could you please explain the differences between a Vitamin C serum formulated in silicone (`Vitamin C in Silicone`) and a water-based formula like `Vitamin C E Ferulic`...

Cosmetics Absorption Serum Serum Formulation Stability Texture
Posted by nutthawat.d
Stabilizing Vitamin C in Water-Based Formulas with Antioxidants

Based on the previous discussion about stabilizing Vitamin C in a water-based formula, I have two further questions: * Can other antioxidants effectively slow down the...

Cosmetics Antioxidant Oxidation Serum Stability Water-based Formulation
Posted by meawsung_kung
Hyaluronic Acid Nano Powder Turning Brown Due to Storage Conditions

My Hyaluronic Acid Nano powder has turned brown after being stored at room temperature, especially during hot weather. Is it still usable, and what are the proper storage...

Cosmetics Color Changing Degradation Heat Sensitive Powder Storage Conditions
Posted by barbie_girl_9
Availability and Alternatives for Skin Brightening Ingredients

Regarding skin brightening ingredients, are the following available for sale: 3M3, Chromabright, Hentowhite, Neurowhite, and REGU FADE? If not available, could you recommend...

Cosmetics Ingredient Alternatives Ingredient Availability Ingredient Comparison Ingredient Suggestion Skin Brightening
Posted by tria_zzzz
Review and Formulation Analysis of Homemade BHA Toner and Ultra Light Serum

I have formulated and used two homemade products: a BHA Toner and an Ultra Light Serum. After 15 days of use, I've observed the following: **BHA Toner:** * Contains 2% BHA...

Cosmetics BHA Toner DIY Formulation Pilling Serum Stickiness
Posted by bmg_game
Dimethyl Isosorbide availability and alternative solvent (Ethoxydiglycol)

Is Dimethyl Isosorbide available for purchase, and if not, can Ethoxydiglycol (e.q. Transcutol) be used as an alternative solvent and carrier? What are its properties and usage...

Cosmetics Ingredient Alternatives Ingredient Availability Solubility Solvents Usage Percentage
Posted by atittaya_38
Analysis of Homemade Cream Formula: pH, Texture, and Skin Suitability

I have created a homemade cream formula with the following ingredients: * Purified Water: 75.6% * Pepha Tight: 3% * Green Tea Extract: 3% * Beta Glucan: 3% * Phenoxyethanol: 1%...

Cosmetics Cream Emulsification Skin Type Suitability Stability Texture
Posted by antc.aon
Mixing Aloe Vera Extract and REGU®-AGE

I would like to mix Aloe Vera Extract (10:1 FullAssay™) and REGU®-AGE in my cosmetic formulation. Are these two ingredients compatible? If so, what is the correct mixing...

Cosmetics Compatibility Mixing Procedure Solubility Temperature Control pH Adjustment
Posted by pim_pu2
Review of Serum Formula for Whitening, Anti-Aging, and Oily Skin

I have formulated a serum with the following ingredients and percentages, aiming for whitening, anti-aging, and suitability for oily/combination skin: * GlucoBright (Acetyl...

Cosmetics Anti-aging Formula Review Oily Skin Serum Skin Brightening
Posted by ceo_iceo
Matrixyl Peptide: Discovery, Use by Major Brands, and INCI Names

Could you provide information about the peptide Matrixyl, including its history, the major cosmetic brands that use it (such as Clinique, Dior, Lancome, Olay, Murad,...

Cosmetics Anti-aging Collagen Stimulation Cosmetic Formulation INCI Name Peptide
Posted by cosmeceutical7
Sesaflash Properties, Compatibility, and Comparison with Pepha-Tight

What are the properties of Sesaflash, how does it perform in cream formulations, what are its pros and cons (including texture changes like stickiness), how does it compare to...

Cosmetics Cream Formulation Comparison Hydration Skin Tightening Stickiness
Posted by annasakulratch
How to use Refined Avocado Oil and mixing with creams/lotions

Can Refined Avocado Oil be used directly on the skin? Can it be mixed with other cosmetic products like creams or lotions? What are the potential issues or considerations when...

Cosmetics Cream Lotion Oil Phase Separation Stability
Posted by mook103
Mixing Vitamin B3 and Liquid Titanium Dioxide into Ready-Made Lotion

How can I mix Vitamin B3 powder and liquid Titanium Dioxide (specifically Titanium Dioxide in Silicone) into a ready-made lotion base like Jergens? What are the recommended...

Cosmetics Compatibility Lotion Phase Separation Ready-to-use Formulation Stability
Posted by hangover_nui_
Serum Formulation for Dullness, Freckles, and Wrinkles

How to formulate a serum combining Alpha Arbutin, Vitamin B3 (Niacinamide), Peptides (Matrixyl 3000, Argireline), and Hyaluronic Acid to address dullness, freckles, and initial...

Cosmetics Formulation Examples Hydration Serum Skin Brightening Wrinkle Reduction
Posted by n_n_sp
Adjusting Night Body Lotion Formula for Brightening and Hydration

I am developing a nighttime body lotion for dry, rough, slightly sensitive, and dark skin, aiming for skin brightening. My initial formula included: * Sodium pca 5% *...

Cosmetics Formulation Adjustment Lotion Skin Brightening Texture pH Compatibility
Posted by alisabes
Simple Cleansing Oil Formula for Dry Skin

I would like a simple formula for making a cleansing oil for dry skin, using an emulsifier base and a nourishing oil.

Cosmetics Cleansing Oil DIY Formulation Emulsifier Oil-based Formulation Skin Type Suitability
Posted by n_n_sp