Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo Versus Kevin Murphy Angel Rinse

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo Versus Kevin Murphy Angel Rinse Detailed comparison of K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo versus Kevin Murphy Angel Rinse. No key ingredients Water Sodium C14-16 Olefin Sulfonate Cocamidopropyl Hydro

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K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo Versus Kevin Murphy Angel Rinse Detailed comparison of K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo versus Kevin Murphy Angel Rinse. No key ingredients Water Sodium C14-16 Olefin Sulfonate Cocamidopropyl Hydroxysultaine Salicylic Acid Charcoal Powder Sh-Oligopeptide-78 Panthenol Glycerin Sodium Phytate Guar Hydroxypropyltrimonium Chloride Caprylyl Glycol Caprylhydroxamic Acid Citric Acid Potassium Hydroxide Sodium Hydroxide Parfum Benzyl Salicylate Limonene Water, Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Hydroxysultaine, Salicylic Acid, Charcoal Powder, Sh-Oligopeptide-78, Panthenol, Glycerin, Sodium Phytate, Guar Hydroxypropyltrimonium Chloride, Caprylyl Glycol, Caprylhydroxamic Acid, Citric Acid, Potassium Hydroxide, Sodium Hydroxide, Parfum, Benzyl Salicylate, Limonene Cetyl Alcohol Aloe Barbadensis Leaf Juice Behentrimonium Chloride Theobroma Cacao Seed Butter Mangifera Indica Seed Butter Citrus Reticulata Peel Oil Angelica Archangelica Extract Hydrolyzed Wheat Protein Isopropyl Alcohol Cetrimonium Chloride Phenoxyethanol Benzoic Acid Dehydroacetic Acid Potassium Sorbate Benzyl Benzoate Water, Cetyl Alcohol, Glycerin, Aloe Barbadensis Leaf Juice, Behentrimonium Chloride, Theobroma Cacao Seed Butter, Mangifera Indica Seed Butter, Citrus Reticulata Peel Oil, Angelica Archangelica Extract, Hydrolyzed Wheat Protein, Isopropyl Alcohol, Cetrimonium Chloride, Phenoxyethanol, Benzoic Acid, Dehydroacetic Acid, Potassium Sorbate, Sodium Hydroxide, Parfum, Benzyl Benzoate, Limonene These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum. Topically, glycerin does several things at once: Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3. Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin. This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products. Just know very high concentrations (>40%) can feel tacky in low humidity. Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine. Limonene is a fragrance that adds scent and taste to a formulation. It's found in the peel oil of citrus fruits and other plants such as lavender and eucalyptus. The scent of limonene is generally described as "sweet citrus". Limonene acts as an antioxidant, meaning it helps neutralize free radicals. When exposed to air, oxidized limonene may sensitize the skin. Because of this, limonene is often avoided by people with sensitive skin. The term 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term. For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance. Parfum is a catch-all term for an ingredient or more that is used to give a scent to products. Also called "fragrance", this ingredient can be a blend of hundreds of chemicals or plant oils. This means every product with "fragrance" or "parfum" in the ingredients list is a different mixture. For instance, Habanolide is a proprietary trade name for a specific aroma chemical. When used as a fragrance ingredient in cosmetics, most aroma chemicals fall under the broad labeling category of “FRAGRANCE” or “PARFUM” according to EU and US regulations. The term 'parfum' or 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term. For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance by INCI standards. One example is Calendula flower extract. Calendula is an essential oil that still imparts a scent or 'fragrance'. Depending on the blend, the ingredients in the mixture can cause allergies and sensitivities on the skin. Some ingr