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Consequences of Using Activated Resorcinol™ at 2% in Face Serum
Regarding Activated Resorcinol™ (4-Butyl Resorcinol), if we use this ingredient at a concentration higher than recommended, such as 2% for a face serum, what negative effects...
Formula Review: Exfoliation and Whitening Serum with L-Carnitine and Tranexamic Acid
I have a formula with the following ingredients and percentages: * L-Carnitine 5% * Tranexamic Acid 5% * Alpha-Arbutin 1% * Vitamin B3 (Niacinamide) 5% * Propolymer 1% *...
Sunscreen Formulation without Water and Silicone
I am developing a sunscreen formulation using SPF Protect Ultra at 30% and Lipid Soft Lite. The goal is a light, milky texture without silicone. My questions are: 1. Is a...
Analysis of Timed Release BHA Toner Formula for Acne Treatment
I have formulated a **Timed Release BHA Toner** with the following key ingredients: * **Encapsulated Salicylic Acid** * **Pro vitamin B5** (5%) * **Aloe vera extract** I would...
Preventing Rancidity in Natural Oil Soap
How can I prevent rancidity (oxidation) in soap formulations that contain natural oils? What ingredients and percentages are recommended for this purpose, and are there any...
Anhydrous Sunscreen Formulation with Vitamin C: Solubility and Stability Issues
I am trying to create an anhydrous sunscreen formulation using a base similar to SpectraBan, containing silicone, oil, and glycol. I want to add 10% L-Ascorbic acid ultra-fine....
Formulation Questions for Vitamin C Serum: Laureth-23, Polysorbate 20, Propylene Glycol, Glycerin
I am formulating a Vitamin C serum containing Vitamin E and Ferulic Acid. I have some questions regarding the ingredients: 1. Can I use `Polysorbate 20` instead of...
Sunscreen Formulation Separation and Lumpiness Issues
I am trying to create a sunscreen formulation with the following ingredients and percentages: * Zinc Oxide: 10% * Titanium Dioxide: 5% * LipidSoft CC: 10% * LipidSoft Lite: 10%...
Adding Honey to Lotion: Methods and Considerations
I want to add honey to my lotion. How can I do this effectively? What are the considerations regarding the type of honey (pure honey vs. extract) and the amount I can add? I am...
Revised Double Hyaluronic Acid Essence Formula for Hydration and Brightening
I have revised my Double Hyaluronic Acid Essence formula to achieve a thicker, more viscous texture similar to Hada Labo, provide intense hydration for very dry skin, and...
Liquid Soap/Shampoo for Salon Use: Regulations, Ingredients, and Preservation
I am making liquid soap/shampoo for use within my hair salon and not for sale to customers. I have some questions and concerns: 1. **FDA Regulations:** Do I need FDA (อย.)...
Understanding Long-Lash™ and the Water Phase for Eyelash Serum
I am planning to make an eyelash serum using the ingredient `Long-Lash™`. The product description mentions mixing it into the "water phase". Could you please explain what the...
Skincare Formula Issues: Allergic Reaction, Clarity, and Texture Modification
I have created a skincare formula with the following ingredients and percentages: * Vitamin B3, Niacinamide 4% * N-Acetyl-D Glucosamine 4% * Aloe Vera Extract(10:1) 5% * Beta...
Using Glycols and emulPearl in Cleansing and Moisturizing Formulations
I have questions regarding the use of ingredients in cosmetic formulations: 1. `emulpearl`: The website states it dissolves in the oil phase. If I use it in a cleansing cream...
Application Order and Waiting Time for Skincare
What is the correct application order for Witch Hazel Toner with Zinc PCA, Urea, and Natural Moisturizing Amino Acids and Natural C-Glycol liquid, and how long should I wait...
Shampoo Formulation Review and Ingredient Advice
I am developing a shampoo formula for my hair, which is dry, fine, frizzy at the ends, but has an oily scalp. My current formula includes: * Lauryl Glucoside (5%) * Coco Wash™...
Understanding Myristyl Nicotinate Formulation and Hydrophilic Ointment
Based on the provided method for mixing Myristyl Nicotinate with Propylene Glycol, does Myristyl Nicotinate fully dissolve in Propylene Glycol? Also, what is Hydrophilic...
Remelting Soap Scraps and Making Liquid Soap with Additives
1. I would like to ask about remelting soap scraps. I recently bought scraps of a famous brand soap from a factory. The scraps are thin, flat, and not aesthetically pleasing,...
Adjusting Sunscreen Formula for Slipperiness and Fragrance Addition
I have developed a sunscreen formula with the following ingredients and mixing steps. I would like to confirm if this formula and process are correct. Additionally, I have two...
Simple Shea Butter Cream for Dry, Itchy Skin
I need a simple cream formulation for dry, itchy skin using Shea Butter. Can you provide a basic formula and instructions? I'd also like to know about adding other ingredients...