Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Anua Heartleaf Silky Moisture Sun Cream SPF 50+ Versus The INKEY List Polyglutamic Acid Dewy Sunscreen SPF 30

Anua Heartleaf Silky Moisture Sun Cream SPF 50+ Versus The INKEY List Polyglutamic Acid Dewy Sunscreen SPF 30 Detailed comparison of Anua Heartleaf Silky Moisture Sun Cream SPF 50+ versus The INKEY List Polyglutamic Acid Dewy Sunscreen SPF 30. This chemical su

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Anua Heartleaf Silky Moisture Sun Cream SPF 50+ Versus The INKEY List Polyglutamic Acid Dewy Sunscreen SPF 30 Detailed comparison of Anua Heartleaf Silky Moisture Sun Cream SPF 50+ versus The INKEY List Polyglutamic Acid Dewy Sunscreen SPF 30. This chemical sunscreen covers the full UV range and blocks ~98% of UVB at SPF 50. This chemical sunscreen covers most of the UV range, lighter on the deep UVA that drives aging. Water Dibutyl Adipate Propanediol Ethylhexyl Triazone Terephthalylidene Dicamphor Sulfonic Acid Glycerin Niacinamide Caprylyl Methicone Polymethylsilsesquioxane Tromethamine 1,2-Hexanediol Polyglyceryl-3 Distearate Cetearyl Alcohol Pentylene Glycol Butylene Glycol Diethylamino Hydroxybenzoyl Hexyl Benzoate Polysilicone-15 Houttuynia Cordata Extract Diospyros Kaki Leaf Extract Vitis Vinifera Fruit Extract Carthamus Tinctorius Flower Extract Coffea Arabica Seed Extract Polygonum Cuspidatum Root Extract Camellia Sinensis Leaf Extract Castanea Crenata Shell Extract Zanthoxylum Piperitum Fruit Extract Anastatica Hierochuntica Extract Panthenol Glyceryl Stearate Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine Potassium Cetyl Phosphate Methylpropanediol Carbomer Glyceryl Stearate Citrate Acrylates/C10-30 Alkyl Acrylate Crosspolymer Ammonium Acryloyldimethyltaurate/Vp Copolymer Adenosine Polyether-1 Biosaccharide Gum-1 Tocopherol Ethylhexylglycerin Water, Dibutyl Adipate, Propanediol, Ethylhexyl Triazone, Terephthalylidene Dicamphor Sulfonic Acid, Glycerin, Niacinamide, Caprylyl Methicone, Polymethylsilsesquioxane, Tromethamine, 1,2-Hexanediol, Polyglyceryl-3 Distearate, Cetearyl Alcohol, Pentylene Glycol, Butylene Glycol, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Polysilicone-15, Houttuynia Cordata Extract, Diospyros Kaki Leaf Extract, Vitis Vinifera Fruit Extract, Carthamus Tinctorius Flower Extract, Coffea Arabica Seed Extract, Polygonum Cuspidatum Root Extract, Camellia Sinensis Leaf Extract, Castanea Crenata Shell Extract, Zanthoxylum Piperitum Fruit Extract, Anastatica Hierochuntica Extract, Panthenol, Glyceryl Stearate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Potassium Cetyl Phosphate, Methylpropanediol, Carbomer, Glyceryl Stearate Citrate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Adenosine, Polyether-1, Biosaccharide Gum-1, Tocopherol, Ethylhexylglycerin Octocrylene Ethylhexyl Salicylate Coco-Caprylate/Caprate Butyl Methoxydibenzoylmethane Phenylbenzimidazole Sulfonic Acid Triheptanoin Saccharomyces Ferment Glyceryl Stearate Se Glyceryl Caprylate C9-12 Alkane Dilinoleic Acid/Butanediol Copolymer Sodium Stearoyl Glutamate Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Dimethicone Squalane Hectorite Lauroyl Lysine Hydroxyethylcellulose Caprylhydroxamic Acid Dimethiconol Polysorbate 60 Oryza Sativa Hull Extract Castor Oil/Ipdi Copolymer Phenoxyethanol Polyglutamic Acid Sorbitan Isostearate Ipomoea Batatas Root Extract Hydroxyacetophenone Sodium Benzoate Caprylyl Glycol Lactobacillus Ferment Lysate Saccharomyces Lysate Water, Octocrylene, Glycerin, Ethylhexyl Salicylate, Coco-Caprylate/Caprate, Butyl Methoxydibenzoylmethane, Phenylbenzimidazole Sulfonic Acid, Triheptanoin, Saccharomyces Ferment, Cetearyl Alcohol, Glyceryl Stearate Se, Tromethamine, Glyceryl Caprylate, Propanediol, C9-12 Alkane, Dilinoleic Acid/Butanediol Copolymer, Sodium Stearoyl Glutamate, Hydroxyethyl Ac These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse. It is a: Humectant, drawing moisture into the skin Emollient, helping to soften skin Solvent, dispersing and stabilizing formulas Preservative booster, enhancing the antimicrobial activity of other preservatives Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken, emulsify, and improve the texture of products. As an emulsifier, it helps stabilize oil-in-water emulsions to give products an elegant feel when applied. It can also form a thin protective film on skin. One study found that a formula using this polymer helped slow down how quickly other ingredients (like DEET) were absorbed through skin. A 2024 study of over 1,300 patients confirmed that sensitization to this ingredient is rare. It is also non-mutagenic and has a clean track record. Camellia Sinensis Leaf Extract (tea extract) is one of the most well-researched plant extracts in skincare with an impressive resume. Black tea, green tea, and oolong tea are all harvested from the Camellia Sinensis plant. Studies show green tea extract and its catechins (like epigallocatechin gallate (EGCG)) help your skin cells product energy more efficiently and reducing the number of free-radicals that can damage your skin from the inside. In lab-grown skin models, this translated to younger, healthier, and stronger skin. There's also good sun protection data; researchers saw less DNA damage and redness on human skin when green tea was applied before UVB exposure. And the more they applied, the better the protection. Needless to say, this ingredient shouldn't replace your sunscreen. But it is a great supportive ingredient that you can already find in many sunscreens and antioxidant serums. A 2009 study found a 2% green tea lotion was effective for mild-to-moderate acne thanks to its anti-inflammatory and mild antimicrobial activity. The quality of the extract matters a lot here: Good extracts contain 50-90% catechins while lower quality ones are mostly there for marketing. We recommend reaching out to the brand if you have questions about the quality or source of their ingredients. Human Repeated Insult Patch Testing showed no irritation or sensitization at use concentrations (0.86% in leave-on products and up to 30% as leaf water). Cetearyl alcohol is a waxy mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is an emollient and emulsifier. Despite having "alcohol" in its name, it has nothing to do with drying solvent alcohols; the FDA also allows "alcohol-free" products to contain fatty alcohols like this ingredient. It plays several roles in a formula: Typical use levels for this ingredient sit around 1-10% and the Cosmetic Ingredient Review Expert Panel has affirmed safety at concentrations up to 25% in leave-on products. Multiple assessme