Logically Skin Multi Vitamin Daily Care Serum Versus Truly Vegan Collagen Anti-Aging Face Serum

Logically Skin Multi Vitamin Daily Care Serum Versus Truly Vegan Collagen Anti-Aging Face Serum Detailed comparison of Logically Skin Multi Vitamin Daily Care Serum versus Truly Vegan Collagen Anti-Aging Face Serum. This calming serum is formulated around Centella Asiatica Extract and Niacinamide to calm redness and strengthen the skin barrier. This anti-aging serum is formulated around Aloe Barbadensis Leaf Juice and Retinol to soften the look of wrinkles and refine skin texture. Centella Asiatica Extract Water Dipropylene Glycol Butylene Glycol 1,2-Hexanediol Niacinamide Glycerin Hydroxyacetophenone Caprylyl Glycol Carbomer Tromethamine Glyceryl Acrylate/Acrylic Acid Copolymer Adenosine Xanthan Gum Disodium EDTA Sodium Acetate Dextrin Theobroma Cacao Extract Lysine Ethylhexylglycerin Caproic Acid Dipotassium Glycyrrhizate Retinol Riboflavin Biotin Bioflavonoids Cyanocobalamin Thiamine Hcl Folic Acid Pyridoxine Menadione Centella Asiatica Extract, Water, Dipropylene Glycol, Butylene Glycol, 1,2-Hexanediol, Niacinamide, Glycerin, Hydroxyacetophenone, Caprylyl Glycol, Carbomer, Tromethamine, Glyceryl Acrylate/Acrylic Acid Copolymer, Adenosine, Xanthan Gum, Disodium EDTA, Sodium Acetate, Dextrin, Theobroma Cacao Extract, Lysine, Ethylhexylglycerin, Caproic Acid, Dipotassium Glycyrrhizate, Retinol, Riboflavin, Biotin, Bioflavonoids, Cyanocobalamin, Thiamine Hcl, Folic Acid, Pyridoxine, Menadione Aloe Barbadensis Leaf Juice Caprylic/Capric Triglyceride Phenoxyethanol Hamamelis Virginiana Water Phospholipids Collagen Melia Azadirachta Leaf Extract Melia Azadirachta Flower Extract Curcuma Longa Root Extract Ocimum Sanctum Leaf Extract Ocimum Basilicum Flower/Leaf Extract Corallina Officinalis Extract Ascorbic Acid Alcohol Triethanolamine Tetrasodium Glutamate Diacetate Aloe Barbadensis Leaf Juice, Water, Caprylic/Capric Triglyceride, Phenoxyethanol, Glycerin, Hamamelis Virginiana Water, Phospholipids, Retinol, Collagen, Melia Azadirachta Leaf Extract, Melia Azadirachta Flower Extract, Curcuma Longa Root Extract, Ocimum Sanctum Leaf Extract, Ocimum Basilicum Flower/Leaf Extract, Corallina Officinalis Extract, Ascorbic Acid, Alcohol, Carbomer, Triethanolamine, Tetrasodium Glutamate Diacetate These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture. Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%. It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier. Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%. A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions. 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. Retinol is one of the most studied anti-aging ingredients in skincare (and for good reason!). It's a form of vitamin A that your skin converts into Retinoic Acid, the active molecule that actually does the work in your cells. That conversion happens in two steps: your skin first turns Retinol into Retinaldehyde (also called Retinal), then turns Retinaldehyde into Retinoic Acid. Retinol is converted to biologically active retinoic acid via retinaldehyde by dehydrogenases in a two-step oxidation process. Each step is a little "upgrade" toward the active form which is part of why Retinol is gentler than prescription Retinoic Acid; your skin does the work gradually. This also explains where Retinol sits in the retinoid family. Here is the retinoid family ranked roughly by strength: Retinyl Esters (like Retinyl Palmitate) < Retinol < Retinaldehyde < Retinoic Acid. Retinoid activity increases in that order, while tolerance runs in reverse; retinyl esters are the gentlest and retinoic acid the most irritating. The more conversion steps an ingredient needs, the gentler (and slower) it tends to be, so Retinol lands in a nice middle spot. It's more effective than the esters, gentler than prescription options. Once