คำถาม-คำตอบ

Regarding Sea Kelp Extract: * Can it be used directly on the face? * If not, should it be mixed with a base gel (like Aloe Vera gel purchased from MySkinRecipes)? * What is the...

I want to make a gentle bar soap with anti-aging and whitening properties using Vitamin C. What type of bar soap base is suitable for this purpose, and which forms of Vitamin C...

I want to create a clear orange gel body serum that provides instant skin brightening and SPF 40-50 protection. The formula should contain Vitamin C, Vitamin E, and whitening...

I want to add natural plant extracts to a toner. 1. Should I use water-soluble or oil-soluble extracts? 2. How do I know the correct usage rate for each extract?

I have formulated a serum that initially had a good, thick consistency and was off-white (slightly yellow), which was satisfactory. After about 4 days, I started noticing the...

I am developing two skincare formulations: a sunscreen and a night cream focusing on moisturizing, nourishing, and post-sun repair. I would like detailed information regarding...

I am developing a gel formula for post-Fractional CO2 laser skin recovery to address stinging and redness. My current formula includes Ceramide Complex, Moist Amino acid, Snow...

Based on the provided context, I have two questions: 1. Regarding Snow Algae (used for skin hydration): Does it feel sticky or leave a film on the skin? 2. Regarding SulFoam...

Could you please provide a formulation or suggest ingredients to help reduce skin stretch marks and make the skin smooth?

Hello, Could you please help review this nighttime facial cream formulation? **Objective:** To nourish facial skin, reduce irritation, reduce clogged pores, and brighten the...

I am trying to create an anhydrous serum using Butylene Glycol and Cyclomethicone, but they are separating. I saw a KIEHL'S formula that seems to combine similar ingredients...

I want to make **glycerin bar soap**. I have two ingredients I'm interested in: 1. **Aloe Vera Extract** which is water-soluble. 2. **SKIN-DEFENSE® V** which is oil-soluble. My...

Is `Disodium EDTA` necessary when using Distilled water or Infused water in cream and gel formulations?

I would like to formulate a premium matte lipstick with a velvet, non-drying texture. I have a specific color blend I want to use, with the following ratio: * Bright Red: 24% *...

I would like a DIY formula for a gentle facial cleanser similar to Cetaphil Gentle Skin Cleanser. I understand that Cetaphil contains sulfates which can be irritating for some...

I want to formulate a product containing AHA for treating keratosis pilaris. I am considering making either a gel or a lotion. Could you provide a detailed guide on how to...

I am formulating an underarm whitening cream and would like to ask: * Is `Salicylic Acid EZ` gentle enough for underarm exfoliation? * Between `Sodium Lactate` and `Salicylic...

Can Copper Peptide (GHK-Cu) and FruitPeel™ be mixed together? Can both of these ingredients be mixed with Pitera (Galactomyces Ferment Filtrate)?

I made a face cream for my mother (around 70 years old) who has very dry, wrinkled skin and needs high moisture, but she finds the current texture too heavy and sticky compared...

I would like to know about using Behentrimonium Chloride (BTAC) and Cetrimonium Chloride (CTAC) in a shampoo formulation. 1. Can BTAC be used in shampoo? 2. Are BTAC and CTAC...