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Adjusting Homemade Serums: Addressing Stickiness and Layering Multiple Formulas
I have made four homemade skincare formulas and have some questions regarding their texture, how to adjust them, and how to layer them in a routine. My first formula...
Using Website Ingredients for Commercial Formulas: Patent Concerns
I want to use ingredients purchased from MySkinRecipes Expert to create cosmetic products for commercial sale. Specifically, I am interested in replicating existing...
Reducing Stickiness in Silicone/PEG-Free Facial Cream
I am trying to formulate a moisturizing facial cream without silicones or PEGs. My current formula feels sticky, even after reducing oils and butters. What causes stickiness in...
Activated Resorcinol in Toner Formulation: Solubility and Light Sensitivity
I would like to ask if Activated Resorcinol can be used in a water-based formula, specifically a toner similar to SK-II. I have the following formula: * Activated Resorcinol 1%...
Storing Natural Oils and Handling Encapsulated BHA
I have two questions regarding ingredients: 1. **Natural oil storage:** Can natural oils, specifically avocado oil, be stored in the refrigerator? I'm concerned about spoilage...
Toner Formulation for Oily/Combination Skin with Encapsulated Salicylic Acid
I am developing a toner formula for oily/combination skin, aiming to reduce oiliness and tighten pores. My current formula includes: * Butylene glycol * Vitamin B5 I plan to...
pH Adjustment in Cosmetic Formulations
When is pH adjustment necessary in cosmetic formulations, how is it performed, and which substances are used for this purpose?
Formulation Questions: Gel Texture, Toner Application, Vitamin C Kit, and Lactic Acid Dilution
I have several questions regarding cosmetic formulations: 1. When adding N-Acetyl-D Glucosamine (GlucoBright™), Vitamin B3 (Safe-B3™), Licorice Root Extract (Licochalcone A),...
Formulation Advice for AHA Gel: TEA Usage and Sodium Bicarbonate Foaming
# Formulation Questions for AHA Gel (10% Glycolic Acid) I am developing an AHA gel formulation with the following components: * Glycolic acid 10% * Hydroxyethyl cellulose (HEC)...
Skin Irritation from Serum Formulation
What might be causing the rash and itching experienced after using a serum formulation with a pH of 5.3, containing the following ingredients: * Symwhite377 (0.3%) * Hentowhite...
Safety of High Concentration Phenoxyethanol in Face Cream
I made a face cream and intended to add 1% Phenoxyethanol as a preservative. However, I accidentally added 3-4%. Is it safe to use this cream on my face or any other part of my body?
L-Tyrosine Stock Availability Inquiry
When will the new lot of L-Tyrosine be available?
Stabilized Vitamin C (Natural-C Glycol™) Serum: pH, Oily Skin Sufficiency, and Daytime Use with Sunscreen
I use AHA-BHA without experiencing irritation, and my skin is okay. Regarding the Stabilized Vitamin C (Natural-C Glycol™) Serum, I have the following questions: * Is this...
Suitability and pH of AHA, Tranexamic Acid, and Vitamin B3 Formula for Melasma and Whitening
Regarding a formula intended for overnight leave-on application to treat melasma, whiten skin, and provide exfoliation, containing: * Glycolic acid (AHA) 10% * Tranexamic acid...
Alternatives for Distilled Water for pH Meter Calibration
I need distilled water for calibrating a pH meter for making cosmetics, but I cannot find it locally. I have tried looking at pharmacies, but they don't have it or know what I...
Adapting Cleansing Formula for Eye & Lip Makeup Remover
How can I adapt my cleansing formula, which uses `MakeUp-Wash™` and `Coco-Wash™`, to be suitable for use as an eye and lip makeup remover? What ingredients are recommended for...
Questions about Cream Formulation, Extracts, and Antioxidant Claims
I want to make another cream with the following ingredients: * Water 50.0485% * Butylene Glycol 5% * Disodium EDTA 0.2% * Allantoin 0.2515% * Natural Betaine 2% * Vitamin B3,...
Determining Cosmetic Shelf Life: Simple Methods, Stability Testing, and Temperature Conversion
Could you please explain how to determine the shelf life of cosmetics? Is there a simple method, or should it be done via stability testing and calculation? Specifically, how...
Making White Cream with Light Cream Maker Despite Colored Extracts
When using Light Cream Maker™ to formulate a cream that includes colored extracts like green tea extract (e.g., Hi-EGCG™), how can I achieve a white cream? Specifically, how...
Kangsen Pearl Cream Formulation, Ingredients, and BB-like Effect
I am using Kangsen Pearl Cream and have the following ingredients listed on the box: * liquid paraffin * glyceryl monostearate * rice starch(oryza sative(rice)starch) * olive...