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Permanent Hair Cream: Color Adjustment and Shelf Life After Mixing

How can I adjust the Permanent Hair Cream base to achieve natural black or dark brown colors, and what is the shelf life or recommended usage instruction after mixing the cream...

Cosmetics Color Adjustment Cream Hair Colorant Stability
Posted by rit546
Dissolving Hydro-White™ Powder

How to properly dissolve Hydro-White™ powder in water, as it is difficult to dissolve even with heat?

Cosmetics Mixing Procedure Solubility
Posted by phunyisa_poonmak
Vitamin K2 MK-7 Powder Concentration and Dosage Calculation

How to calculate the amount of Vitamin K2 MK-7 (in micrograms) present in one gram of 0.2% concentration powder, and how does this relate to the typical daily recommended dosage?

Cosmetics Amount Calculation Concentration Food Application Powder
Posted by sverigerebellen
IPL Gel Formulation and Ingredient Recommendations for Laser Machines

Could you please provide a formulation for IPL gel used with various laser machines and recommend suitable ingredients for purchase?

Cosmetics Conductivity Cosmetic Formulation Device Application Gel Ingredient Suggestion
Posted by tee_ozone
Solubility issue with stabilized protease enzyme

Why isn't my stabilized protease enzyme dissolving in water, even though the product details state it is water-soluble?

Cosmetics Active Ingredient Mixing Procedure Solubility Stability
Posted by apiyanijdamrong
Suitability of Titanium Dioxide 250nm WaterDisperse™ for Sunscreen & SPF

I am a student working on a sunscreen project and am interested in Titanium Dioxide 250nm WaterDisperse™. The description says it's for makeup only, but Titanium Dioxide is...

Cosmetics Application Area Particle Size Sun Protection Sunscreen Formulation
Posted by opal4a
Compatibility of Phospholipid, 1,2-Hexanediol, and DMI in Formulation

Can Phospholipid, 1,2-Hexanediol, and Dimethyl Isosorbide (DMI) be mixed together in a cosmetic formulation, and what are their functions?

Cosmetics Compatibility Emulsifier Penetration Enhancer Solubility Solvents
Posted by snapanmd
Availability of Oil Thick Clean N/S and Alternative Oil Gellants

Are Oil Thick Clean N and Oil Thick Clean S still available for purchase, and if not, what alternative Oil Thick products are available that function as oil gelling agents?

Cosmetics Balm Cream Ingredient Alternatives Oil Gellant Texture
Posted by blaisecosmeticcenter
Ingredient to Reduce Sulfur Odor and Improve Hair Adherence

What ingredient can reduce the odor of sulfur and help it adhere longer to hair, particularly for use in hair products like shampoos or treatments?

Cosmetics Active Ingredient Ingredient Adherence Odor Reduction Shampoo Solubility
Posted by tuinuika
Adding Ketoconazole to Shampoo

Can Ketoconazole be mixed directly into a shampoo base? If so, how is 2% by weight calculated and measured?

Cosmetics Active Ingredient Shampoo Solubility Stability Usage Percentage
Posted by bdento
Essential Ingredients for Thick, Glossy Lip Mask

What are the essential ingredients for formulating a thick, viscous, glossy, and moisturizing lip mask that stays on the lips, using minimal components, similar to the...

Cosmetics Glossiness Hydration Lip Gloss Texture Viscosity
Posted by nattarawan
Preservative Status of Hyaluronic Acid Gel Base

Does the Hyaluronic Acid Gel Base contain Phenoxyethanol, considering that some ingredients listed in the INCI might be derived from a raw material (HydroAlgae™) that is...

Cosmetics Gel Preservation
Posted by chavanat_pongy
Compatibility of Calcium Thioglycolate with Aluminum Aerosol Cans

Can Calcium Thioglycolate be safely packaged in aluminum aerosol cans under pressure with propellants?

Cosmetics Compatibility Packaging Spray
Posted by rattana.p
Safety of Mild Preserved Eco in Pet Products

Is Mild Preserved Eco suitable for use in pet products, and is it safe if pets lick products containing this ingredient?

Cosmetics Ingestion Safety Pet Application Preservation
Posted by pikalda1979
Usage Rate of Propanediol (1,3-Propanediol)

Based on the detailed ingredient information for Propanediol (1,3-Propanediol) (Natural), what are the possible usage rates? I saw information stating 1-20% and also the...

Cosmetics Concentration Humectant Preservative Booster Solvents Usage Percentage
Posted by thundornmonalaves
Formulation Challenges for a Peptide and Hyaluronic Acid Serum

I am trying to create a serum/gel product using the following formula. Could you please review the feasibility and potential challenges of combining these ingredients?...

Cosmetics Compatibility Formulation Suitability Serum Stability pH Suitability
Posted by sayrom5955
pH of Liquid Salicylic Acid (40% Active, Cationic For Wash-Off)

What is the pH of the specific raw material Liquid Salicylic Acid (40% Active Salicylic, Cationic For Wash-Off)?

Cosmetics Active Ingredient Raw Material pH Measurement
Posted by sanchinawat
Cloudiness of D&C Red 27 Color Changing Pigment in Oil

How can I make D&C Red 27 Color Changing Pigment clear when it becomes cloudy after dissolving in oil?

Cosmetics Color Changing Compatibility Mixing Procedure Solubility Turbidity
Posted by chat_neera
Ingredient Dissolution Issues and Cream Usage Frequency

Seeking advice on resolving incomplete dissolution of GentiWhite and Glycoprotein in a cream formulation, resulting in powder particles, and confirming if a cream containing...

Cosmetics Compatibility Cream Mixing Procedure Skin Brightening Solubility
Posted by happyfulfill2415
Using Semi-Permanent Hair Color Shampoo on Uncolored Hair

Can a semi-permanent hair color shampoo base mixed with colorants be used on hair that has not been previously colored? If so, will the color change match the mixed color, and...

Cosmetics Color Changing Color Longevity Hair Colorant Semi-Permanent Color Shampoo
Posted by nuttadetse