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Can the ingredient Long-Lash™ be used directly, or are there recommended usage methods for incorporating it into a formulation, including application instructions for the final product?
Regarding a silicone-based serum formulation with the following structure: * SkinTight MD™ (Liquid) 20% * Dimethicone 10% * Cyclomethicone 20% * Silicone gel 5% * Additional...
Regarding products with low pH: Is it generally true that sensitive skin cannot use products with low pH, or does it primarily depend on the specific active ingredient used in...
I have questions regarding the use of **SPF Protect™** and ingredient labeling: 1. When using **SPF Protect™** at 20% in a base, will the resulting concentrations of...
Based on the following shampoo formula, what ingredients can be used as substitutes? Formula: Water, Sunflower Seed Extract, Grapeseed Extract, Ethylhexyl Methoxcinnamate,...
How to dilute Double Hyaluron Liquid (5% Hyaluronic Acid) to a 0.1% concentration? Is mixing 2 grams of the 5% liquid with 98 grams of water correct to achieve 100 grams of...
Can regular Vitamin C powder (L-Ascorbic Acid) be mixed directly into water-based creams or moisturizers? What alternative is recommended?
I have several questions regarding cosmetic formulations and ingredients: 1. I am using a product containing **Vitamin C E Ferulic**. I experience a tingling/itching sensation...
I'm trying to create a body oil with the following ingredients, aiming for a preservative-free formula: * Sesame Oil 70% * Tocopheryl Acetate (Vitamin E Acetate) 1% * Vitamin C...
Why did the Sea Kelp Extract I received change color from light yellow to a darker yellow-brown compared to the previous batch, and does this mean it has deteriorated?
I conducted an experiment comparing the stability of L-Ascorbic Acid solutions: 1. **Solution A:** L-Ascorbic Acid dissolved in water + Propylene Glycol. 2. **Solution B:**...
I have made a scrub product with the following ingredients: * Cetyl Alcohol (Vegetable) * Coffee Extract * Honey * Phenoxyethanol After leaving it for about 2 weeks, the...
Can Vitamin B5 be used in a leave-in treatment formula applied as a spray to the hair roots? Which forms of Vitamin B5 like `Panthenol (Vitamin B5, DL-Panthenol, Powder)` or...
I'm interested in starting to formulate cosmetics at home. I understand the importance of cleanliness, a stable workspace, a scale, glass beakers, and a stirrer. Could you...
What are Tween 80 and Tween 20 (Polysorbates), what are they made from, and where do the raw materials come from? For example, they are used in ice cream.
I have a cream formulation with the following ingredients: * Vit b3 * Kojic dipalmitate * Zinc gluconate * Tea tree oill * salicylic * Gs-vace (Vitamin A, C, E) * Teflose...
I want to formulate a product containing both LHA (Capryloyl Salicylic Acid) and Allantoin. I was initially considering using LHA at a concentration of 10-20% in a water-based...
I am looking for ready-to-use stabilized Vitamin C products that do not require mixing. Could you suggest some options?
What are the ingredients and formulation for making laundry detergent?
My mixture of Hada Labo lotion, Sodium Ascorbyl Phosphate (SAP) 10%, and Alpha Arbutin 2% turned slightly yellow after about 15 days. What is the reason for this yellowing?