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Hair Dye Formulation: Primary and Secondary Intermediates for Black Color and Antioxidants

What primary and secondary intermediates are needed for black hair dye formulation, are the mentioned examples (PPD, TDS, RL, MAP, DPE) and their percentages correct, and is an...

Cosmetics Active Ingredient Antioxidant Hair Colorant Hair Darkening Stability
Posted by phoon1331
Oil-soluble anti-irritant for 100% oil formula

What oil-soluble anti-irritant ingredients are recommended for use in a 100% oil-based formula, and what is the recommended usage percentage?

Cosmetics Ingredient Selection Oil-based Formulation Solubility Soothing Effect Usage Percentage
Posted by nupookca
Difference between Aristoflex AVC and Xanthan Gum

What are the key differences in properties and functions between Aristoflex AVC and Xanthan Gum (Clear Gel type) when used in cosmetic formulations, particularly regarding...

Cosmetics Emulsifier Natural vs Synthetic Ingredients Stability Texture Thickener
Posted by ippreeyaporn1997
FOS vs Alpha Glucan Oligosaccharide for Skin Prebiotic Effect

Can Fructooligosaccharide (FOS) be used topically to achieve skin prebiotic effects similar to those provided by Alpha Glucan Oligosaccharide?

Cosmetics Effectiveness Ingredient Selection Skin Prebiotic Texture
Posted by niew_panas
Thickening and Stabilizing Cleansing Gel with Oil

In a facial cleansing gel formula containing 15% Sulfate Free Shampoo Base and over 1% oil, which thickener among Sugar Think, Clear Clean, or Thick Clean is suitable for...

Cosmetics Emulsifier Facial Cleanser Gel Phase Separation Thickener
Posted by harmonicluxuries
Ingredient Solubility Questions

Could you please provide information on the solubility of Wild Yam Extract (Diosgenin 95%) in Cerasoft, Phytosphingosine in Ethoxydiglycol (specifically 0.1% Phytosphingosine...

Cosmetics Compatibility Ingredient Ratio Solubility Solubilizer Solvents
Posted by niew_panas
Inquiry about Elfamoist AC availability

Do you stock the ingredient Elfamoist AC (INCI: Acetamidoethoxyethanol), and if not, do you plan to sell it in the future?

Cosmetics Ingredient Availability Ordering Product Inquiry Raw Material
Posted by kansenklang
Serum Formulation: pH, Ingredient Compatibility, Mixing, and Texture

Questions regarding a serum formulation including compatibility of Prebio-care and Yeast Radiance at a low pH (3.5), the effect of pH 4 on Ampho-Glycolic efficacy, suitability...

Cosmetics Compatibility Mixing Procedure Serum Texture pH Suitability
Posted by m.physgirl
Making Body Perfume from Fragrance Oil: Blending, Aging, and Performance

How to make body perfume from 100% fragrance oil, including direct blending with alcohol, the need for aging/maceration, and the possibility of adding other notes or aroma...

Cosmetics Fragrance Fixation Fragrance Formulation Long-lasting Maceration Perfume
Posted by ammez.info
Using Glycols as Anhydrous Base for Vitamin C and Absorption

Can Propanediol or Butylene Glycol be used as the primary base (without water) to dissolve Vitamin C (L-Ascorbic Acid)? Also, does using high percentages of Butylene Glycol and...

Cosmetics Anhydrous Formulation Penetration Enhancer Serum Solvents Stability
Posted by vichai_chan
Guide Formulation for 2-Phase Cleansing Oil (Oil on Top)

Could you provide a guide formulation for a 2-phase cleansing product where the oil layer is on top?

Cosmetics Emulsifier Facial Cleanser Formulation Examples Mixing Procedure Phase Separation
Posted by akaranong
Lightweight Vitamin C Serum: Incorporating Vitamin E Oil and Stability

I have a formula for a lightweight L-ascorbic acid serum containing 1% Vitamin E oil. Can this formula be made? What ingredient should I use to emulsify or solubilize the 1%...

Cosmetics Light Texture Oil Compatibility Serum Solubilizer Stability
Posted by gegee0024
Oleanolic Acid Powder Solubility in Glycols

How to properly dissolve Oleanolic Acid 1% powder, which is insoluble in a small amount of Ethoxydiglycol and Butylene Glycol mixture, and what is the correct solvent or...

Cosmetics Mixing Procedure Oil-based Formulation Powder Solubility Solvents
Posted by joelfonat
Mixing Glitter Mica in Body Oil

Can Gold Glitter Mica be mixed into body oil, and how does it affect the oil's color, properties, and texture?

Cosmetics Body Oil Coloring Dispersion Shimmer
Posted by daovaya
Formulation with Glycols as Base for Vitamin C Stability

Can Propanediol or Butylene Glycol be used as the main base without water to dissolve L-ascorbic acid Vitamin C, and do high concentrations of these glycols improve skin absorption?

Cosmetics Anhydrous Formulation Skin Absorption Solubility Solvents Stability
Posted by vichai_chan
Adjusting Hair Conditioner Formula for Thick, Frizzy Hair

How can I adjust my hair conditioner formula for thick, coarse, frizzy hair (Water 85%, Cetearyl Alcohol 8%, BTAC 2%, CTAC 1%, Glycerin 1%, Argan Oil 1%, Panthenol 0.5%, Hair...

Cosmetics Conditioner Frizz Control Glossiness Hair Smoothness Ingredient Ratio
Posted by petepakdee
Formulating AcnePLEX™ into a Toner

Can AcnePLEX™ be formulated into a toner instead of a gel, and what is the method and recommended usage?

Cosmetics Acne Treatment Mixing Procedure Solubility Toner Usage Percentage
Posted by athip_1995
Preventing Color Leaching in Sodium Alginate Beads

When making beads by dropping sodium alginate solution into calcium chloride, how can the color be prevented from leaching out of the beads?

Cosmetics Beads Color Bleeding Encapsulation Gel Formation Pigment
Posted by chom.patchara0023
Usage frequency for exfoliating yeast extract cream

Can a cream containing a yeast-based ingredient with exfoliating properties be used daily, or should its use be limited to a few times per week?

Cosmetics Concentration Cream Exfoliation Skin Irritation
Posted by belle_kanokorn
pH Adjustment for Acidic Ingredient in Serum

When using 2% of the acidic ingredient Wrinkle-Fill™ (Acetyl-Tyrosine) in a serum formulation, is it necessary to adjust the pH, or is it not a major concern?

Cosmetics Acidic Formulation Serum Skin Irritation Stability pH Adjustment
Posted by belle_kanokorn