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Can the Salicylic Acid product sold as BHA be used in food? If not, do you have food-grade Butylated Hydroxyanisole (BHA) available, and could you recommend it?
Is it necessary to add a preservative to liquid soap made from oil saponified with KOH after dissolving it in water, and what are the reasons?
What are the recommended usage percentages for ActiveProtec UV and ActiveProtec OX when formulating a serum with AA-2G (Ascorbyl Glucoside), and can Sodium Metabisulfite be used at 0.2% as a preservative/antioxidant in this type of serum?
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 procedures for formulating tar shampoo using Coal Tar Solution, specifically for two scenarios: 1) using only Sulfate Free Shampoo Base mixed with water, and 2) using a blend of individual surfactants including Clarify Wash, Cocamidopropyl Betaine, and Lauryl Glucoside.
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%, Glycosaminoglycans Complex 3.0%, Safe-B3™ (Niacinamide) 5.0%, 4D Hyaluronic Acid 10.0%, Super-HYA™ (Sodium Acetylated Hyaluronate, AcHA) 0.1%, Laurocapram (Water Soluble) 3.0%, Pro Polymer™ 0.8%, Mild Preserved Eco™ 1.0%, and Water 73.1%. Could you please review this formula and advise if any adjustments are needed?
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 oxidation, changing the scent. I would like to know if there is a way to fix this or a substance that can be added to prevent the oil from going rancid. I've researched and found that adding Vitamin E is recommended, but I don't know which type or how much to add. Could you please provide some guidance? Thank you.
Can we use collagen and keratin together in the ingredients of a herbal shampoo?
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 antioxidants, besides Vitamin E, that are suitable for use in lipstick?
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 persists. What other Antioxidant ingredients can help prevent this rancidity?
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 you recommend suitable substitutes for these ingredients?
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 Ferment Filtrate replace distilled water in the formula?
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 formulation properties?
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 necessary to use a shampoo containing sulfates for this purpose?
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?