Cosmetics Formulation Development


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Advice on sunscreen recipes

Postby tarchakhun » Mon Feb 03, 2020 4:39 pm

Hello, please analyze this sunscreen formula and see if it is possible to mix like this. Is there any that are conflicting? The requirement is to have a sunscreen that can protect all light waves, SPF 50 PA+++ +/- a little, semi-creamy, semi-gel texture. not very heavy for oily skin Combination skin. It can be used without greasy. If you can mix it, the question that worries me is 1. Will the smell come out smelly? because the extract is น้ำหอม Natural only 0.5% 2. From what I see, the pH value that is suitable for this formula is About 6-7 from the given Ingredient, can it be mixed like this? 3. What will the area come out? Is it heavy? 4. Non-Active ingredients, some are still confused, they are Base Surfactants Emulsifier Solvent Preservatives are available. What should be reduced or increased? น้ำกลั่น Sterile 16.20% Titanium Dioxide Transparent (transparent type) 10.00% Glycerin Gel ( Glyceryl Polyacrylate ) 10.00% Zinc Oxide 35nm Liquid 6.00% SPF Protect Ultra™ II 5.00% Hexylene Glycol 5.00% LipidSoft™ Lite 5.00% WaterGuard™ Lite 3.00% Calendula Extract (Water Soluble) 3.00% 4D Hyaluronic Acid 3.00% DHHB (Diethylamino Hydroxybenzoyl Hexyl Benzoate) 2.50% PMMA Booster (SPF/Color Booster) 2.00% SelectSorb™ (PMMA ดูดซับน้ำมัน) 2.00% Ectoine (Ectoin) 2.00% Safe-B3 ™ ( Vitamin B3, Niacinamide , Switzerland) 2.00% Ascorbyl Glucoside (AA-2G stabilized vitamin c ) 2.00% Oil-Fix™ O ( Water-in-Oil , Oil Gel ling) 1.50% BEMT ( Tinosorb S ) 1.00% Ethylhexyl Triazone (Octyltriazone, EHT) 1.00% Bisoctrizole (Compare to Tinosorb M ) 1.00% Ethyl Ferulate 1.00% Glycyrrhetinic Acid 1.00% Ferulic Acid 1.00% Active Caffeine ™ 1.00% ActiveProtec™ 1.00% Phospholipid 1.00% Yerba Santa Glycoprotein (Natural Silicone) 1.00% Zinc PCA 1.00% Polyglyceryl-2 dipolyhydroxystearate 1.00% Panthenol (Vitamin B5) ExtraLite™ 1.00% Natural Bisabolol 1.00% Ceramide Complex ( CeraTouch ™, Powder ) 1.00% LipidSoft™ F (Ethyl Linoleate) 1.00% Vitamin E (Tocopheryl Acetate) 0.50% Bakuchiol (Natural Retinol ) 0.50% Disodium EDTA 0.10% Phytosphingosine 0.50% Encapsulated Salicylic Acid (Powder, Timed-Release) 0.50% Rose (Rosa Damascena) Extract สารสกัดกุหลาบมอญ 0.50% Xanthan Gum (clear gel type, normal texture) 0.50% Mild Preserved Eco™ ( Preservative-Free ) 0.50% Magnesium Sulfate (High Purity) 0.20% Thank you in advance.
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Re: Advice on sunscreen recipes

Postby chinshin9195 » Thu Feb 06, 2020 11:17 pm

Do you put too little water? It will be too heavy on active substances. will be difficult to dissolve I think about 50% of water is good. You should cut off the nutrients. can only put a little Because the purpose is sunscreen, there should be สารกันแดด , formula softener. But wait for someone who knows to answer.
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Re: Advice on sunscreen recipes

Postby staff » Sat Feb 08, 2020 10:57 pm

Hello, the formula cannot be mixed. The reason is because the proportion of water is too small, as suggested by Mr. chinshin9195. Sunscreen formula, we will focus on the effectiveness of sunscreen while emphasizing lightness. But not focusing on skin care as heavily as the formula that members have informed. This will become gooey and not suitable for use during the day.
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Re: Advice on sunscreen recipes

Postby tarchakhun » Mon Feb 10, 2020 4:15 pm

Thank you all I'll try to adjust it.
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