Skin science article
Tropic Skincare Youth Potion Enriched Retinal Complex Versus Paula's Choice Clinical 0.3% Retinol + 2% Bakuchiol Treatment
Tropic Skincare Youth Potion Enriched Retinal Complex Versus Paula's Choice Clinical 0.3% Retinol + 2% Bakuchiol Treatment This anti-aging serum is formulated around Ascorbyl Tetraisopalmitate and Bakuchiol to soften the look of wrinkles and refine skin textur
Tropic Skincare Youth Potion Enriched Retinal Complex Versus Paula's Choice Clinical 0.3% Retinol + 2% Bakuchiol Treatment
This anti-aging serum is formulated around Ascorbyl Tetraisopalmitate and Bakuchiol to soften the look of wrinkles and refine skin texture.
This anti-aging treatment is formulated around Bakuchiol and Tetrahexyldecyl Ascorbate to soften the look of wrinkles and refine skin texture.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Aloe Barbadensis Leaf Juice
Squalane
Propanediol
Caprylic/Capric Triglyceride
Actinidia Chinensis Seed Oil
Glycerin
Carthamus Tinctorius Seed Oil
Ascorbyl Tetraisopalmitate
Tocopherol
Cyanocobalamin
Bakuchiol
Retinal
Sodium Hyaluronate
Hexapeptide-11
Spilanthes Acmella Flower/Leaf/Stem Extract
Daemonorops Draco Extract
Astragalus Membranaceus Root Extract
Helianthus Annuus Seed Oil
Saccharomyces Ferment Filtrate
Leuconostoc/Radish Root Ferment Filtrate
Ubiquinone
Mauritia Flexuosa Fruit Oil
Sodium Anisate
Sodium Levulinate
Levulinic Acid
Sodium Gluconate
Pullulan
Maltodextrin
Pentylene Glycol
Hydrolyzed Gardenia Florida Extract
Rosa Damascena Flower Oil
Madecassoside
Alkanna Tinctoria Root Extract
Citral
Geraniol
Aloe Barbadensis Leaf Juice, Squalane, Propanediol, Caprylic/Capric Triglyceride, Actinidia Chinensis Seed Oil, Glycerin, Carthamus Tinctorius Seed Oil, Ascorbyl Tetraisopalmitate, Tocopherol, Cyanocobalamin, Bakuchiol, Retinal, Sodium Hyaluronate, Hexapeptide-11, Spilanthes Acmella Flower/Leaf/Stem Extract, Daemonorops Draco Extract, Astragalus Membranaceus Root Extract, Helianthus Annuus Seed Oil, Saccharomyces Ferment Filtrate, Leuconostoc/Radish Root Ferment Filtrate, Ubiquinone, Mauritia Flexuosa Fruit Oil, Sodium Anisate, Sodium Levulinate, Levulinic Acid, Sodium Gluconate, Pullulan, Maltodextrin, Pentylene Glycol, Hydrolyzed Gardenia Florida Extract, Rosa Damascena Flower Oil, Madecassoside, Alkanna Tinctoria Root Extract, Citral, Geraniol
Water
Dimethicone
Pentaerythrityl Tetraisostearate
Isononyl Isononanoate
Butylene Glycol
Arachidyl Alcohol
Glyceryl Polymethacrylate
Dimethicone Crosspolymer
Behenyl Alcohol
PEG-75 Shea Butter Glycerides
Glyceryl Stearate
C12-15 Alkyl Benzoate
Polysorbate 20
Tetrahexyldecyl Ascorbate
Retinol
Ceramide Ng
Palmitoyl Tetrapeptide-7
Palmitoyl Hexapeptide-12
Dipotassium Glycyrrhizate
Glycyrrhiza Glabra Root Extract
Avena Sativa Kernel Extract
Arctium Lappa Root Extract
Salix Alba Bark Extract
Glycine Soja Sterols
Lecithin
Allantoin
Tocopheryl Acetate
Hydrolyzed Soy Protein
Palmitoyl Tripeptide-1
Sodium Hydroxide
Tribehenin
Caprylyl Glycol
Dipeptide-2
Polygonum Cuspidatum Root Extract
PEG-10 Phytosterol
PEG-8
Magnesium Aluminum Silicate
Arachidyl Glucoside
Chrysin
Sodium Acrylates Copolymer
Steareth-20
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Cetearyl Alcohol
Coco-Glucoside
Hesperidin Methyl Chalcone
N-Hydroxysuccinimide
Disodium EDTA
Phenoxyethanol
Benzoic Acid
Ethylhexylglycerin
Water, Dimethicone, Pentaerythrityl Tetraisostearate, Isononyl Isononanoate, Butylene Glycol, Bakuchiol, Arachidyl Alcohol, Glyceryl Polymethacrylate, Dimethicone Crosspolymer, Behenyl Alcohol, Glycerin, PEG-75 Shea Butter Glycerides, Glyceryl Stearate, C12-15 Alkyl Benzoate, Polysorbate 20, Tetrahexyldecyl Ascorbate, Retinol, Ceramide Ng, Palmitoyl Tetrapeptide-7, Palmitoyl Hexapeptide-12, Sodium Hyaluronate, Dipotassium Glycyrrhizate, Glycyrrhiza Glabra Root Extract, Avena Sativa Kernel Extract, Arctium Lappa Root Extract, Salix Alba Bark Extract, Glycine Soja Sterols, Lecithin, Allantoin, Tocopheryl Acetate, Hydrolyzed Soy Protein, Palmitoyl Tripeptide-1, Sodium Hydroxide, Tribehenin, Caprylyl Glycol, Dipeptide-2, Polygonum Cuspidatum Root Extract, PEG-10 Phytosterol, PEG-8, Magnesium Aluminum Silicate, Arachidyl Glucoside, Chrysin, Pentylene Glycol, Sodium Acrylates Copolymer, Steareth-20, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Cetearyl Alcohol, Coco-Glucoside, Hesperidin Methyl Chalcone, N-Hydroxysuccinimide, Disodium EDTA, Phenoxyethanol, Benzoic Acid, Ethylhexylglycerin
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Alternatives
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Bakuchiol is a plant-derived antioxidant from the seeds of the Psoralea corylifolia plant. It has antimicrobial, emollient, skin conditioning, and antioxidant properties.
You'll likely see it called a "retinol replacement" but the two are technically not related. This is because bakuchiol is able to flip many of the same switches in your skin cells to tell them to:
1) produce more collagen (type I, III, and IV) 2) activate the same genes retinoids do
Unlike retinoids, this ingredient will not increase photosensitivity and is safe to use during pregnancy (but please still check in with your doctor!).
The flagship clinical trial from Dhaliwal et al. 2019 found 0.5% bakuchiol (twice daily) and 0.5% retinol (once daily) reduced wrinkles and hyperpigmentation equally, but bakuchiol had significantly less irritation.
Systematic reviews also back this up:
Bakuchiol is comparable to retinol for photoaging but with better tolerability. It also has mild antibacterial properties against Cutibacterium acnes and antifungal activity in vitro against Candida and dermatophytes.
The reason bakuchiol works well is due to its structure; it is a meroterpene phenol, or a hybrid molecule. The phenol half acts as an antioxidant while the terpene half is fat-loving. This helps the molecule slip through the skin barrier.
This ingredient is usually used between 0.5-2%. Only one case of contact dermatitis has ever been reported for this ingredient.
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.
Pentylene Glycol (1,2-pentanediol) is a multitasking little diol with three main roles in a formula:
Research on alkanediols (the family pentylene glycol belongs to) show they work by disrupting microbial cell membranes. This disruption helps the primary preservative system in a product work more effectively at lower doses.
On the safety side, the Cosmetic Ingredient Review Expert Panel has concluded this ingredient to be safe as used in current cosmetic practices + concentrations.
Typical use levels in a formula run about 1-5%.
Sodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity.
In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface.
Interestingly, the size of the molecule affects its behavior:
Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair.
Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects.
You'll typically see concentrations between 0.1-2% for this ingredient.