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What is the correct method and step for dissolving 4-butylresorcinol in a formulation, considering different forms like powder (e.g., Activated Resorcinol™) and encapsulated...

Cosmetics Encapsulation Mixing Procedure Powder Solubility Stability
Posted by artinyarit01
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When formulating perfume using solid fragrance ingredients like Musk Ambrette and Celestolide, crystallization occurs when dissolved in alcohol. Are there alternative solvents...

Cosmetics Crystallization Fragrance Formulation Perfume Solubility Solvents
Posted by thanamesh.olanchaikit
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How can I find the country of origin for a purchased Ginkgo extract when the Certificate of Analysis (CoA) does not specify it?

Cosmetics Ingredient Origin Raw Material
Posted by busarin44
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How can I prevent or fix cloudiness when mixing clear fragrance oil with 99% alcohol? Are there alternative solvents besides alcohol or oil that can keep the perfume clear?

Cosmetics Co-solvent Perfume Solubility Solvents Turbidity
Posted by kosmos_kay
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Comparing the skin softening feel between WaterSoft and Yerba Santa Protein (as a silicone alternative), and asking about the usage of PhosphoMax™ natural phospholipid...

Cosmetics Emulsifier Lotion Mixing Procedure Silicone-Free Texture
Posted by contact
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Seeking advice on formulating a tone-up body wash with acne treatment properties. Using a formula with Water, Soft Cream Maker, Sweet Almond Oil, Glycerin, Methyl Gluceth-20,...

Cosmetics Coverage Dispersion Phase Separation Shower Cream Tone Up
Posted by bopuncharat
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How can I prevent or slow down fermentation in a serum containing fruit extract, which occurred due to high temperatures during delayed shipping? I am currently using Mild...

Cosmetics Heat Stability Preservation Serum Stability pH Adjustment
Posted by sasa.bkkth
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When formulating a water-based perfume spray, can both Glycerin (99.5%) and Propanediol (1,3-Propanediol) be used as solvents? If so, what are the key differences between them,...

Cosmetics Fragrance Solubility Solvents Spray Texture
Posted by tippysarsa
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How can I obtain the GC/MS results for the Essential Oils available for sale on the website?

Cosmetics Laboratory Analysis Oil Quality Control Raw Material
Posted by meeyoou30
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I stored a liquid product called "Perfect A liquid" in the freezer according to instructions, but after thawing, its appearance has changed (crystallization/separation). Is the...

Cosmetics Crystallization Degradation Phase Separation Precipitation Stability
Posted by jarinrat0624
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Is there a ready-made perfume base pre-mixed with a fixative available for purchase that provides over 12 hours of longevity? If not, please recommend the necessary ingredients...

Cosmetics Fragrance Fixation Fragrance Formulation Long-lasting Perfume Spray
Posted by cocoadd
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When using Nano Silver in personal care or pet care products, black precipitate forms. Is this due to reactions with other ingredients? Can chelating agents like EDTA help, or...

Cosmetics Chelating Agent Ingredient Interaction Precipitation Stability pH Suitability
Posted by a.preemi123
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What are alternative broad-spectrum preservatives for a Bakuchiol cream formulation containing water and oil, specifically as a replacement for Geogard 221?

Cosmetics Challenge Test Cream Preservation
Posted by maneerut05092537
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I am trying to formulate a product by mixing oil-soluble ingredients (Jojoba Oil, Vitamin E, Ascorbyl Tetraisopalmitate, Bakuchiol) with Pure-Melatonin dissolved in...

Cosmetics Cold Process Formulation Compatibility Oil Phase Separation Solubilizer
Posted by sleekorder.ka
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Can Viscolam AT 100P replace Pro Polymer in a self-tanning gel formula, or what other alternatives are recommended for achieving the desired texture and viscosity?

Cosmetics Gel Ingredient Alternatives Texture Thickener Viscosity
Posted by accent51
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How can I adjust a self-tanning gel formula containing Water (87%), Ethoxydiglycol/DMI (3%), DHA (3.5%), Reservoir-Tech (3%), EasyTan™ (1.5%), Pro Polymer (1%), and Mild...

Cosmetics Gel Stickiness Texture Texture Modification Thickener
Posted by accent51
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What is the correct name for the ingredient "Reservoir-Tech" to use for FDA registration purposes when developing a product for sale?

Cosmetics Ingredient Declaration Ingredient Naming Product Registration Raw Material
Posted by accent51
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I have a sunscreen formula with the following composition: 1. OMC 8% 2. Octocrylene 4% 3. Octisalate 5% 4. Hectorite 10% 5. Isododecane qs The problem is that **it doesn't...

Cosmetics Gel Gel Formation Oil Gellant Oil-based Formulation Sunscreen Formulation
Posted by mr_tong_er
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Why does the tan color from a self-tanning gel wash off after showering, and will daily application make the color permanent?

Cosmetics Exfoliation Gel Long-lasting Skin Darkening
Posted by accent51
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Inquiry about available ready-to-use Vitamin C products.

Cosmetics Concentration Serum Skin Brightening Stability Usage Percentage
Posted by llerickll
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