Browse Questions and Answers

My L-Carnitine powder, stored at room temperature in a plastic bottle, has become wet and creamy before its expiry date. Is it still usable?

I am developing a **Clear Oil Gel** formulation that contains only **4% water**. Is a preservative necessary for this formula? If so, what is the recommended method and timing...

I read on Pantip that according to FDA research, modern women use a lot of cosmetics and skincare, leading to exposure to more than 2 kg/person/year of chemicals or synthetic...

What is the effect of applying powder (such as Talc) over an oily or organic sunscreen formulation on its SPF and overall UV protection? How does the powder itself contribute...

Hello, I need a face cream for whitening and dark spot reduction. I have the following formulation: * Natural Betaine 5% * Oligo ggf 3% * Macadamia oil 10% * AP wax 80 3% *...

I tried adding Coco Betaine, Sodium lauroyl glutamate, and Lauryl glucoside to traditional bar soap made with Sodium Hydroxide, but it separated. Why did this happen, and how...

I want to make a sheet mask using fresh aloe vera flesh directly, instead of a paper sheet mask. Is this possible? What are the challenges and how can I achieve a mask with a...

I want to create a cleansing oil or oil cleansing gel using Olive Oil that can be easily rinsed off with water. I understand that ClearClean™ is not suitable for this purpose...

I have updated four cosmetic formulas based on previous feedback and would like to request a review and feedback on the formulations. I also have specific questions regarding...

I am looking for guidance on formulating a waterproof ink for a skin marker pen. The pen uses a **polyester** wick and a **polyester fiber nib**, similar to a general chemical...

I want to create a cream formula for facial skin to address acne, dullness, wrinkles, and sagging. My proposed formula includes the following ingredients: * Pep-coll 3% * DMAE...

I am concerned about ingredients causing a yellow color on my skin after application. Does Calendula Extract (Water Soluble) cause the skin to turn yellow? I have heard that...

I am interested in creating a 'returning' type pudding cream, similar to Korean formulations, using Reshape Gel Maker. I would like to include Vitamin C for skin brightening...

I bought Beeswax. I want to know how many grams of natural extracts like Mahad and Aloe Vera can be added per 70 grams of Beeswax?

I want to add cleansing properties to my cream scrub formulation. My base contains: * Macadamia Nut Oil * Sweet Almond Oil * Jojoba lite oil * Rosehip oil * Avocado Oil *...

I would like to formulate a lip balm. * How can I incorporate `MOIST72` into the formula? * Should I include Lanolin? * What types of color and flavor, such as cinnamon, are...

I need advice on a sunscreen formula suitable for oily skin. I had an initial formula that included Vitamin B5. Based on the expert's suggestion to remove Vitamin B5 and add...

I would like to modify a formula, specifically based on the Skinceuticals C E Ferulic kit, by adding Glycolic Acid and including silicone components. I have several questions:...

I would like to make a colored lip balm using pure shea butter and color powder like Iron Oxides. 1. What is the recommended process for mixing the color powder into the shea...

Can the pH of cold process soap made with Sodium Hydroxide be adjusted downwards to reduce curing time? What happens if the pH is lowered prematurely, and why does it affect...