คำถาม-คำตอบ

Based on the following ingredient list, which ingredients are negatively charged (anionic)? Ingredients: * Water (Aqua) * Butylene Glycol * Glycerin * Calendula Officinalis...

I have a liquid product that separates into two layers. When shaken, it turns milky, but then separates again over time. The pink color seems to stay only in the oil layer. Can...

What is the status of the gel-type stabilized vitamin C product, Natural-C Glycol™? Has it been discontinued, and if so, why?

My `Pro Polymer™ Silk` powder has hardened. What is the cause of this hardening, and can I still use the product? If so, how should I incorporate the hardened powder into my...

Hello, I'm a beginner. Could you please answer my question? Regarding the **container** for mixing Double Hyaluronic Acid, can I use a glass beaker and stir with a glass rod...

Could you please analyze the active ingredients in the mask formula shown in the picture? I would like to know the percentage of each active ingredient and whether the claim of...

In a formula containing `activated resorcinol` that causes irritation, can `Allantoin` be used instead of `Bisabolol` to reduce irritation? Or is `Bisabolol` more suitable?

Regarding the product `Reshape Gel`: * Can it be used to create an O/W (Oil-in-Water) cream formulation that includes an oil phase, or is it strictly for water-based gels? *...

I have a formula for oil-based liquid soap: * `Oil Soap™ 20%` * `Fractionated Coconut Oil 79.5%` * `Vitamin E Acetate 0.5%` Does this formula effectively remove makeup? If I...

I want to create a cream with an oil-like texture that contains AHA (Glycolic Acid). I understand that a purely oil-based cream cannot incorporate water-soluble ingredients...

I am using the **Timed-Released BHA Toner** and have observed that it significantly reduces facial oiliness and causes no irritation. * Regarding clogged pores, how does BHA...

What is the equivalent concentration of Salicylic Acid EZ (water soluble) compared to standard Salicylic Acid (BHA)? Specifically, is 10% Salicylic Acid EZ equivalent to 2%...

I want to formulate a product to address both dark circles and wrinkles around my eyes. I understand that ingredients used for facial wrinkles can often be used for the eye...

How to recalculate a formula to increase the concentration of an ingredient in a finished cream product? For example, if the original formula was: * `สาร A 10%` * `น้ำ 90%` And...

Regarding the **Vitamin C E Ferulic Pre-Mix Kit (Lite)** serum, when will it be back in stock? My old bottle is finished, and when I try to order now, it shows as Out of Stock.

The initial message was unclear. Could you please specify which product or ingredient you are asking about regarding heat exposure?

How can I create a thick, butter-like cream base using ingredients like Rich Cream Maker (or Butter Cream Maker) and Cetearyl Alcohol? I am considering a formulation with: *...

I have a liquid face mask formula at home that works very well. However, because it contains **ดินสอพอง** (clay) as an ingredient, it dries out and hardens when exposed to air...

I want to create a toner formula based on the following ingredients and percentages, similar to a product I use where Aloe Vera Extract is listed before Witch Hazel. I would...

I have developed an Aloe Vera gel formula and would like to request a review. My formula includes the following ingredients and percentages: [User's Formula Details - *Please...