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Antioxidants in Oil-Based Formulas (Vitamin E, ROE, Coconut Oil)
Regarding antioxidants in oil-based formulations: 1. Which antioxidant is recommended for oil-based formulas where oil is the main ingredient: Vitamin E or ROE? 2. Does...
Vitamin C Efficacy, Skin Concerns, and Cream/Sunscreen Formulation Issues
I have combination skin with dry cheeks and an oily T-zone, prone to clogged pores and irritation. I am using the `Vitamin C E Ferulic Kit` in the morning. 1. Is it necessary...
Custom Serum Formulation: Safety and Compatibility Check
I have created a serum formulation with the following ingredients. Could you please check if the ingredients are compatible and if the formula is safe for skin application? *...
Formulation and Mixing Steps for Serum and Eye Cream
I have adjusted the formulas for a serum and an eye cream as follows: **Serum Formula:** 1. Repair Activator 10% 2. Pep-Coll 3% 3. Argireline 10% 4. DMAE 5% 5. Pine Bark 2% 6....
Alternative Cream Maker for Water Capsule to Achieve Heavy Texture and Compare WaterLock vs Water Capsule for Hydration
Based on the information that **Rich Cream Maker** is incompatible with **Water Capsule**, I have two main questions: 1. Which cream maker can be used instead of **Rich Cream...
Serum Formulation Irritation: pH, Triethanolamine, and Active Ingredients
I made a serum formulation with the following ingredients: ODA, Niacinamide 7%, French Pine Bark Extract, Lactic Acid, and Pro Polymer. When adjusting the pH, I accidentally...
Natural Oils for Dry, Sensitive, Acne-Prone Skin
I have dry and sensitive skin, and I'm not comfortable mixing creams. I'm currently using Argan Oil, which has helped, but I still have peeling on my cheekbones. Which oil...
Hair Conditioner Formulation Guidance and GuarCat Usage
I am developing a hair conditioner formula and would like guidance. I have proposed the following formula: * Dimethicone: 10% * Cetrimonium Chloride: 2% * GuarCat: 1% * Luxury...
Review and Adjustment of Gentle Facial Cleansing Gel Formula
I would like to request a review of the following facial cleansing gel formula: 1. Water: q.s. to 100% (29%) 2. Propylene Glycol: 30% 3. Cocamidopropyl Betaine: 30% 4. Lauryl...
Credibility and Properties of RonaCare® AP as an Antioxidant (vs. Vitamin E)
I would like to inquire about the credibility of research from Merck regarding the ingredient RonaCare® AP (Bis-Ethylhexyl Hydroxydimethoxy Benzylmalonate). Specifically, I am...
VIV SKIN Overnight Mask Ingredient Analysis and DIY Options
I would like to inquire about the VIV SKIN overnight mask. Based on the ingredient list provided [Assume the user provided the list], could you please analyze its composition,...
Cosmetic Formulas for Oily, Acne-Prone Skin: Review and Adjustment
I would like to inquire about several cosmetic formulas I have drafted, based on my skin type (oily, dehydrated, dull, prone to clogged pores, blackheads, large pores,...
Skin Dryness and Peeling from High Concentration BHA Toner
I made a homemade BHA (Salicylic Acid) toner with a concentration of **6.6%**. I used it by applying it and leaving it on for **30 minutes** before applying Vitamin C and...
Homogenizer vs. Regular Mixer for Cream Formulation and Applications
What is the difference between a homogenizer and a regular cream mixer, and how do they affect the resulting cream texture and stability? Additionally, which types of cosmetics...
Adjusting Eye Serum Formula for Dark Circles, Eye Bags, and Wrinkles
I want to create an eye serum for my skin, which is dry with a slightly oily T-zone, and has visible wrinkles, dark circles, and under-eye bags. I have drafted the following...
Cream Formulation with Soy Lecithin: Separation Issue After Adding Preservative
I purchased Soy Lecithin to create a natural cream and used it as an emulsifier in the following formula: * **Water Phase:** Distilled Water 73% * **Oil Phase:** Oil 8% * **Wax...
Adding Sunscreen to Lip Balm: Natural/Mineral UV Filters
I would like to know which ingredients can be added to lip balm to provide sun protection. I prefer natural ingredients, but other options are also acceptable. Thank you in advance.
Skincare Formula for Dry Skin, Clogged Pores, and Dark Spots
I have very dry skin with clogged pores and dark spots from acne, and I previously used mercury and steroid creams. I want to make a cream to address these issues. I plan to...
SPF Testing Requirements for Thai FDA
What are the requirements for SPF testing for sunscreen formulations to be registered with the Thai FDA, and does MySkinRecipes provide this testing service?
Understanding Expiration Dates: Raw Materials vs. Finished Lotion
I have questions about expiration dates and shelf life guarantees for cosmetic ingredients and finished products: 1. If I use ingredient A (Exp 06/2017) to make lotion with...