คำถาม-คำตอบ

I purchased Coal Tar Solution to make shampoo but encountered clumping when mixing it with surfactants as instructed, rather than it dissolving. Please provide detailed mixing...

I am developing a serum formula for anti-aging and moisturizing specifically for sensitive and very dry skin. The formula includes Marine Plankton 2.0%, Ectoine 2.0%,...

Why does SepiGEL 305 solidify when the container is nearly empty, and what are the recommended storage and usage methods to prevent this?

Can SepGEL 305 be used in facial formulations, or is it only suitable for body products?

What methods can be used to prevent sedimentation in herbal shampoo formulations that require shaking before use?

I tried mixing Essential Oil with Grape Seed Oil to make a 10ml Essential Oil roller. Initially, the smell was fine, but after a while, the oil started smelling rancid due to...

Can collagen and keratin be used together in a herbal shampoo formulation, considering ingredient compatibility, especially with surfactants?

I previously used Rosemary Oleoresin Extract as an antioxidant in my lipstick formulation, but it is no longer available. Could you recommend alternative oil-soluble...

I have formulated a facial cream using Linalool, Geraniol, and Cinnamal for fragrance, but the scent fades quickly. What fragrance fixatives can I add to make the scent last longer?

I have a facial moisturizing cream formulation that has developed a rancid smell. The formula already contains Antioxidant (Vitamin E / Tocopheryl Acetate), but the smell...

I am formulating an O/W emulsion face cream and need to find alternative ingredients for DEA Cetyl Phosphate, Isostearyl Stearoyl Stearate, and Isodecyl Neopentanoate. Could...

How can I create a gel texture for a serum containing Tranexamic Acid and Liquid Germal Plus? What gelling agents are suitable, can I use Hyaluronic Acid, and can Galactomyces...

What are the similarities and differences between LC Cream Maker and Olivem 1000 emulsifiers, particularly regarding their ability to form Liquid Crystal emulsions and their...

I would like to know if the **Sulfate Free Shampoo Base** (containing Sodium Lauroyl Glutamate) can be used as a clarifying shampoo to remove build-up from silicone? Or is it...

When making oil-based perfume using Fractionated Coconut Oil as a carrier, will it have a coconut smell, and what are alternative odorless carrier oils if needed?

How to eliminate the sticky residue left on hands when applying a water-based face/body gel, while maintaining the desired non-sticky feel on the skin after drying?

Are Adenosine Liposome and Superoxide Dismutase Liposome (SOD) still available for purchase, as I was unable to order them online?

Seeking expert feedback on a proposed thick serum formulation containing Mild Preserved Eco, Tranexamic Acid, 4MSK, Ceramide 3, Skin-Barrier™, Safe-B3™ (Niacinamide),...

What will be the scent strength of a perfume mixture containing 25g of fragrance oil and 75g of alcohol?

What ingredients can be added to a traditional NaOH+oil bar soap formulation to create a whipped foam texture and increase hardness for slower dissolution?