Q + A Peptide Serum Versus Q + A Zinc PCA Facial Serum

Q + A Peptide Serum Versus Q + A Zinc PCA Facial Serum Detailed comparison of Q + A Peptide Serum versus Q + A Zinc PCA Facial Serum. This anti-aging serum is formulated around Aloe Barbadensis Leaf Juice Powder and Tripeptide-29 to soften the look of wrinkles and hydrate skin. This oil-control serum is formulated around Zinc PCA and Lactic Acid to balance excess oil and refine the look of pores. Water Propylene Glycol Betaine Pentylene Glycol Xanthan Gum Aloe Barbadensis Leaf Juice Powder Sodium Phytate Glycerin Lonicera Caprifolium Flower Extract Biosaccharide Gum-1 Lonicera Japonica Flower Extract Sodium Levulinate Tripeptide-29 Sodium Hyaluronate Sodium Ascorbyl Phosphate Magnesium PCA Lactic Acid Glyceryl Caprylate Cocoyl Proline Sodium Anisate Leuconostoc/Radish Root Ferment Filtrate Citric Acid Water, Propylene Glycol, Betaine, Pentylene Glycol, Xanthan Gum, Aloe Barbadensis Leaf Juice Powder, Sodium Phytate, Glycerin, Lonicera Caprifolium Flower Extract, Biosaccharide Gum-1, Lonicera Japonica Flower Extract, Sodium Levulinate, Tripeptide-29, Sodium Hyaluronate, Sodium Ascorbyl Phosphate, Magnesium PCA, Lactic Acid, Glyceryl Caprylate, Cocoyl Proline, Sodium Anisate, Leuconostoc/Radish Root Ferment Filtrate, Citric Acid Lactobacillus/Ganoderma Lucidum Extract/Lentinus Edodes Extract Ferment Filtrate Zinc PCA Lactobacillus Ferment Lonicera Caprifolium Extract Collagen Sodium Gluconate Water, Propylene Glycol, Lactobacillus/Ganoderma Lucidum Extract/Lentinus Edodes Extract Ferment Filtrate, Betaine, Pentylene Glycol, Zinc PCA, Lactobacillus Ferment, Lonicera Caprifolium Extract, Lonicera Japonica Flower Extract, Lactic Acid, Glyceryl Caprylate, Biosaccharide Gum-1, Collagen, Glycerin, Leuconostoc/Radish Root Ferment Filtrate, Sodium Levulinate, Sodium Anisate, Sodium Gluconate, Xanthan Gum 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. Betaine is a humectant. Like hyaluronic acid, it helps attract and retain moisture in the skin. It’s known for being gentle and for helping the skin maintain balanced hydration. Betaine is mainly used to improve hydration and support calmer skin. It helps skin cells regulate water balance because it functions as an osmolyte. Some studies suggest betaine may support making skin tone more even. Fun fact: Betaine naturally exists in the skin and the body. In cosmetic products, it can be either plant-derived (most commonly from sugar beets) or synthetically produced for consistency and stability. Betaine is also known as trimethylglycine. Biosaccharide Gum-1 is a sugar created by fermenting sorbitol (which usually comes from potato starch!). It is known for its soothing and moisturizing properties. Manufacturer tests show this ingredient helped reduce irritation from lactic acid by almost half and kept skin hydrated long-term as a humectant Beyond hydration, Biosaccharide Gum-1 gives formulas a silky, non-sticky feel. This ingredient is gentle, versatile, and suitable for all skin types. Fun fact: Similar sugars can be found naturally in fruits like apples and pears. 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. Glyceryl Caprylate comes from glycerin and caprylic acid. It is an emollient, co-emulsifier, and preservative booster. Its short C8 fatty acid chain makes it behave differently from its longer-chain emollient cousins like Glyceryl Stearate. It feels more lightweight, fast-absorbing, and silky instead of rich and waxy. As a co-emulsifier, its "head" and "tail" sit at the oil-water interface. But overall, the short C8 tail and not being water soluble means it doesn't really have the muscle to emulsify a formula on its own. That's why you'll often see it paired with a primary emulsifier like Cetearyl Glucoside. Interestingly, Glyceryl Caprylate acts as a preservative booster. This is because its fatty-acid backbone disrupts microbial lipid membranes. It