Kérastase Genesis Fortifying Serum Versus BrioGeo Destined for Density™ Peptide Hair Serum for Thicker, Fuller Hair

Kérastase Genesis Fortifying Serum Versus BrioGeo Destined for Density™ Peptide Hair Serum for Thicker, Fuller Hair Detailed comparison of Kérastase Genesis Fortifying Serum USA versus BrioGeo Destined for Density™ Peptide Hair Serum for Thicker, Fuller Hair. Water Alcohol Denat. Arginine PEG-40 Hydrogenated Castor Oil Citric Acid Niacinamide Calcium Pantothenate Caffeine Limonene Pyridoxine Hcl Linalool Polyquaternium-11 Safflower Glucoside Benzyl Salicylate Coumarin Citral Benzyl Alcohol Xylitylglucoside Citronellol Benzyl Benzoate Anhydroxylitol Xylitol Zingiber Officinale Root Extract Resveratrol Tocopherol BHT Sodium Citrate Parfum Water, Alcohol Denat., Arginine, PEG-40 Hydrogenated Castor Oil, Citric Acid, Niacinamide, Calcium Pantothenate, Caffeine, Limonene, Pyridoxine Hcl, Linalool, Polyquaternium-11, Safflower Glucoside, Benzyl Salicylate, Coumarin, Citral, Benzyl Alcohol, Xylitylglucoside, Citronellol, Benzyl Benzoate, Anhydroxylitol, Xylitol, Zingiber Officinale Root Extract, Resveratrol, Tocopherol, BHT, Sodium Citrate, Parfum Propanediol Glycerin Pentylene Glycol Betaine Coco-Caprylate/Caprate Copper Tripeptide-34 Castor Oil/Ipdi Copolymer Aloe Barbadensis Leaf Juice Coffea Arabica Seed Oil Panax Ginseng Root Extract Biotin Caprylic/Capric Triglyceride Limnanthes Alba Seed Oil Carbomer Lindera Strychnifolia Root Extract Hippophae Rhamnoides Oil Trisodium Ethylenediamine Disuccinate Acacia Senegal Gum Xanthan Gum Phyllanthus Emblica Fruit Extract Tocopheryl Acetate Helianthus Annuus Hybrid Oil Lamium Album Extract Plantago Psyllium Seed Extract Panthenol C12-15 Alkyl Benzoate Sodium Metabisulfite Larix Europaea Wood Extract Glycine Ubiquinone Zinc Chloride Simmondsia Chinensis Seed Oil Lithospermum Erythrorhizon Root Extract Camellia Sinensis Leaf Extract Potassium Sorbate Sodium Benzoate Sodium Hydroxide Caramel Water, Propanediol, Glycerin, Pentylene Glycol, Betaine, Coco-Caprylate/Caprate, Caffeine, Copper Tripeptide-34, Niacinamide, Castor Oil/Ipdi Copolymer, Aloe Barbadensis Leaf Juice, Coffea Arabica Seed Oil, Panax Ginseng Root Extract, Biotin, Caprylic/Capric Triglyceride, Limnanthes Alba Seed Oil, Carbomer, Lindera Strychnifolia Root Extract, Hippophae Rhamnoides Oil, Trisodium Ethylenediamine Disuccinate, Acacia Senegal Gum, Xanthan Gum, Phyllanthus Emblica Fruit Extract, Tocopheryl Acetate, Helianthus Annuus Hybrid Oil, Lamium Album Extract, Plantago Psyllium Seed Extract, Panthenol, C12-15 Alkyl Benzoate, Sodium Metabisulfite, Larix Europaea Wood Extract, Glycine, Tocopherol, Ubiquinone, Zinc Chloride, Simmondsia Chinensis Seed Oil, Lithospermum Erythrorhizon Root Extract, Camellia Sinensis Leaf Extract, Citric Acid, Potassium Sorbate, Sodium Benzoate, Sodium Hydroxide, Benzyl Alcohol, Caramel Be the first to review These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Benzyl Alcohol is an aromatic alcohol with several roles: it's a preservative, solvent, and mild fragrance component with a floral scent. This ingredient has been deemed safe for use in cosmetic formulations at concentrations up to 5%, and up to 10% in hair dyes. You'll typically see 0.5-2% in most rinse-off or leave-on products. As a preservative, it works by disrupting the membrane of microbial proteins. This helps keep bacteria and fungi from growing in your products. The sensitization picture is actually quite assuring as well:of nearly 71,000 patients patch tested with benzyl alcohol, only 0.21% showed a positive reaction with most of them being weakly positive. This led researchers to conclude that benzyl alcohol cannot be regarded as a significant contact allergen. It is worth noting this ingredient is classified as one of the EU's regulated fragrance allergens and restricted to 1% in finished products. Labels must also declare it in concentrations above 0.001% in leave-on products and 0.01% in rinse-off products. At concentrations around 5%, localized redness and itching can appear as a direct irritant response and not as a true allergic reaction. Caffeine is a naturally occurring plant compound found in coffee beans, tea leaves, cocoa pods, and guarana. As an antioxidant, caffeine protects your skin from free radical damage caused by UV exposure and envionrmnetal stressors. Early research also shows that caffeine can help calm redness, soothe irritated skin, and support hair growth by stimulating microcirculation in the scalp. You might have seen eye creams marketing caffeine as a depuffing ingredient. This is because it is a vasoconstrictor meaning it can temporarily constrict blood vessels, though clinical evidence for this specific use is still limited. Most skincare products contain this ingredient at concentrations between 1-6%. It is able to penetrate skin easily regardless of skin type or thickness. Just so you know, a very small number of case reports describe caffeine-induced allergy. This ingredient is generally well-tolerated, non-irritating, and non-sensitizing for the majority of people. Citric Acid is an alpha hydroxy acid (AHA) naturally found in citrus fruits like oranges, lemons, and limes. Like other AHAs, citric acid can exfoliate skin by breaking down the bonds that hold dead skin cells together. This helps reveal smoother and brighter skin underneath. However, this exfoliating effect only happens at high concentrations (20%) which can be hard to find in cosmetic products. Due to this, citric acid is usually included in small amounts as a pH adjuster. This helps keep products slightly more acidic and compatible with skin's natural pH. In skincare formulas, citric acid can: While it can provide some skin benefits, research shows lactic acid and glycolic acid are generally more effective an