Browse Questions and Answers

How can I formulate a sunscreen to achieve SPF 50 using the following UV filters, and what are their typical usage percentages and regulatory limits? * Avobenzone (Butyl...

I have two questions: 1. How should I properly use the product `Long-Lash™`? 2. My son has dry, sensitive skin that reacts to oil-based products. Can I use an Aloe Vera base...

Can Hydroxyethyl Cellulose (HEC) be dissolved in water at 60-70°C and stirred until it becomes a gel, then allowed to cool before adding other ingredients? I am concerned that...

I am a beginner looking for a face cream formula (50g) to reduce melasma and freckles, along with simple mixing instructions. I would like to try making a formula using...

I am looking for advice on formulating products for oily skin. What ingredients and bases are recommended or should be avoided for this skin type?

I mixed the following 3 ingredients: * `PEG-7 Glyceryl Cocoate [Coco-Wash]` 5 % * `PEG-6 Caprylic/Capric Glycerides [MakeUp-Wash]` 5 % * `Phenoxyethanol` 0.6 % * Water 89.4 %...

Could you please review the ingredients in my lip tint formula and explain their functions? Also, please comment on the safety of the formula, especially regarding DMDM Hydantoin.

I am trying to formulate a liquid matte lip stain similar to Lime Crime Velvetines. I have experimented with a formula, but I am facing issues with the pigment settling and the...

I would like to know if the following products are the same formula or how they differ: * Rose Hip Oil (Extra Virgin Organic Fresh) * Rosa Mosqueta® Rose Hip Oil of Aubrey...

Based on my formulations below, I need feedback on potential issues, especially regarding texture, stability, and ingredient usage. **Face Cream (Brightening, Oily/Dehydrated,...

What are the regulations, efficacy, and formulation challenges regarding the use of different forms of Vitamin A (Retinaldehyde, Retinol, Retinyl Palmitate) in cosmetic...

Why is Sesaflash no longer available for retail purchase, and what alternative product is recommended, especially considering suitability for different skin types (normal, oily, dry)?

How can I use a **Salicylic Acid (BHA) toner** and a **Stabilized Vitamin C (Natural-C Glycol™) Serum** together in my skincare routine to minimize the risk of **skin...

Can I purchase raw materials for dietary supplements, such as weight loss ingredients, glutathione, collagen, or general vitamins, from your company in small quantities for...

How many grams are dispensed per pump of the aloe vera base tester, and how long does a tester typically last when using 2 pumps for the face?

How can Vitamin E be mixed into Shea Butter (Ultra Soft)? What is the recommended percentage, and how does it affect the texture?

What are the safety guidelines and recommended concentration limits for using `Capryloyl Salicylic Acid (LHA, LPA, Lipo Hydroxy Acid) Powder` (Product ID: 841) in cosmetic...

I would like to ask about using AHA in skin cream formulations. Can AHA be used in skin cream? If so, what are the important considerations regarding: * Concentration limits...

How can I add herbal scents like ginseng or mint to a body cream formulation? What specific fragrance oils are available for this purpose? I am interested in using single-note...

I want to create a cream blush product that has a thick, solid texture similar to a pot concealer, like the Chanel product. I tried using a formula with water and a cream...