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20 of 13999 results

3-O-Ethyl-Ascorbic Acid vs L-Ascorbic Acid: Usage Concentration and Efficacy

Regarding 3-O-Ethyl-Ascorbic Acid and its comparison to L-Ascorbic Acid, I have the following questions: 1. What concentration of 3-O-Ethyl-Ascorbic Acid is needed for reducing...

Cosmetics Collagen Stimulation Concentration Hyperpigmentation Ingredient Safety Skin Brightening
Posted by pangjida
2013-02-05
Cold Process Cream/Lotion Formulation Issues and Acid Resistance

I am trying to create a cream or lotion using a cold process method. I am encountering issues with the texture not being smooth or becoming clumpy/watery. I plan to include...

Cosmetics Acidic Formulation Cold Process Formulation Cream Lotion Texture
Posted by oil-jaja
2013-02-04
How to Thicken Water-in-Oil Cream with White Oil and Beeswax

I am trying to make a `water in oil` cream using `white oil` as the oil phase. The formula I tried initially uses only three ingredients: * `white oil` * `beewax` * Water The...

Cosmetics Cream Emulsifier Oil Gellant Viscosity Water-in-Oil
Posted by top_guitarone
2013-02-04
Understanding Niacinamide Skin Penetration and Formulation for DIY Serum

I'm interested in DIY cosmetic formulation, specifically a Niacinamide serum, but I'm confused about how Niacinamide penetrates the skin and the role of different formulation...

Cosmetics Cream Penetration Enhancer Sensitive Skin Serum Skin Absorption
Posted by xenobio999
2013-02-02
How to Use Witch Hazel for Oily Skin

I have Witch Hazel and want to know how to use it in my skincare routine. My skin is oily, and my current routine (cleanser, BHA, Vitamin C, Vitamin B3, and purchased...

Cosmetics DIY Formulation Oil Control Oily Skin Pore Reduction Toner
Posted by wall_sticker
2013-02-01
Formulation Advice: Eye Irritation, Shea Butter Emulsification, CoQ10, and Melasma Treatment

I have several questions regarding cosmetic formulation: 1. **Eye Area Reaction:** I made a trial formula containing Water, Shea Butter, Centella Asiatica Extract, Coenzyme...

Cosmetics Emulsification Eye Care Melasma Treatment Skin Irritation pH Adjustment
Posted by shopping.noom
2013-02-01
pH Requirement for Salicylic Acid Exfoliation and Non-Acidic Alternatives

Does Salicylic Acid (BHA), including encapsulated forms like `Encapsulated Salicylic Acid`, still require an acidic pH to exfoliate skin effectively? Are there alternative...

Cosmetics Acidic Formulation Encapsulation Exfoliation Ingredient Alternatives pH Suitability
Posted by plantycoon
2013-01-31
Niacinamide Concentration in Ready-to-Use and Urea Exfoliation Mechanism

I noticed that the Ready-to-Use products contain Niacinamide at 5%. Could you please explain: * Why is 5% chosen for Niacinamide in Ready-to-Use products? * How does Urea...

Cosmetics Concentration Exfoliation Ingredient Function Ready-to-use Formulation Skin Irritation
Posted by plantycoon
2013-01-29
Preservation and Stability for Serum/Gel and Oil Scrub Formulations

I have two formulations and need advice on preservation and stability: 1. A water-based formula containing Water, Alpha Arbutin, Glucosamine, Niacin, and Hyaluronic Acid, which...

Cosmetics Antioxidant Preservation Scrub Serum Stability
Posted by hommzang
2013-01-29
Comparison of L'Oreal's R&D and Advertising Spending

Based on the provided financial figures for L'Oreal (sales €11,213M, cost of goods €3,247M, advertising €3,403M, R&D €386M), which show advertising costs significantly...

Cosmetics Advertising/Marketing Cosmetic Industry Financial Data R&D Budget
Posted by jaojang
2013-01-29
Chemical Mixture Separation and Turbidity

My chemical mixture has separated and is not clear (turbid). How can I make it homogeneous and clear again? What might be the cause, and what ingredients or methods can help fix this?

Cosmetics Clarity Emulsifier Phase Separation Solubilizer Stability
Posted by soodfold_2528
2013-01-29
Cosmetic Ingredients for Eyebrow Growth and Thickness

Following up on the previous discussion about ingredients for hair growth, I'd like to know about cosmetic ingredients that can help eyebrows become thicker and darker, similar...

Cosmetics Gel Hair Growth Stimulation Hair Loss Reduction Ingredient Alternatives Serum
Posted by bf.vichi
2013-01-28
Formulation Recommendation for Very Dry Skin

I have very dry skin and am looking for a formulation or ingredient recommendations. Could you suggest key ingredients, including Natural Moisturizing Factors (NMFs) and...

Cosmetics Formulation Examples Hydration Serum Skin Barrier Repair Skin Dryness
Posted by bsn_619
2013-01-28
Enhancing Retin A Cream with Skin-Strengthening Ingredients

I have a Retin A 0.10% cream and want to mix in additional ingredients to reduce irritation and improve skin health and anti-aging benefits. I am considering adding Vitamin E,...

Cosmetics Anti-aging Cream Formulation Adjustment Skin Barrier Repair Skin Irritation
Posted by jaojang
2013-01-27
Alpha Arbutin Stability and Shelf Life

What are the stability conditions and shelf life for Alpha Arbutin, both as a raw material powder and when incorporated into a product formulation? Is it possible to visually...

Cosmetics Formulation Suitability Raw Material Shelf Life Stability Storage Conditions
Posted by non.ant
2013-01-27
Information on PEG-240/HDI Copolymer Bis-Decyltetradeceth-20 Ether and Trehalose for Gel Formulations

Could you provide information on the properties, usage, and potential combination of the ingredients `PEG-240/HDI Copolymer Bis-Decyltetradeceth-20 Ether` and `Trehalose` for...

Cosmetics Gel Gel Formation Hydration Non-sticky Texture Thickener
Posted by plantycoon
2013-01-26
Cleaning New Cosmetic Containers, Especially Squeeze Tubes

When using new cosmetic containers purchased from a store, such as from Daiso, is it necessary to clean them before filling? Specifically for **squeeze tubes** with small...

Cosmetics Cleaning Microbial Contamination Packaging Safety Sterilization
Posted by rika_es
2013-01-26
Cosmetic Formulation Q&A: Vitamin C, pH, Ingredients, and Delivery

I have several questions about cosmetic formulations based on previous topics: 1. Regarding the **Anhydrous Vit C** formula mentioned previously, how does its efficacy compare...

Cosmetics Cosmetic Formulation Ingredient Comparison Ingredient Interaction Liposome pH Adjustment
Posted by tou_lusifel
2013-01-25
Ingredient Recommendations for Oily Skin with Melasma, Freckles, Dark Spots, and Wrinkles (Vitamin E Allergy)

I am allergic to Vitamin E (it causes breakouts). I am interested in Vitamin C L-ascorbic 15%. If I exclude Vitamin E, will the effectiveness be significantly reduced? I have...

Cosmetics Gel Ingredient Alternatives Melasma Treatment Oily Skin Wrinkle Reduction
Posted by jajana13
2013-01-25
Dark Patches on Cheeks After Using Serum with Brightening Actives

My mother used a serum containing brightening and anti-aging actives like Alpha-Arbutin, Niacinamide, Argireline, Leuphasyl, Pepha®-Tight, and Glucosamine for about 10 days....

Cosmetics Hyperpigmentation Ingredient Interaction Sensitive Skin Serum Skin Irritation
Posted by iamaummy
2013-01-25