Peptide Skincare & BeautySkin science and ingredient guides

Skin science article

Aramore Retinol Peptide Boosting Serum Versus Iope PDRN Caffeine Shot Serum

Aramore Retinol Peptide Boosting Serum Versus Iope PDRN Caffeine Shot Serum This anti-aging serum is formulated around Palmitoyl Pentapeptide-4 and Retinol to soften the look of wrinkles and refine skin texture. This anti-aging serum is formulated around Lacto

Aramore Retinol Peptide Boosting Serum Versus Iope PDRN Caffeine Shot Serum

This anti-aging serum is formulated around Palmitoyl Pentapeptide-4 and Retinol to soften the look of wrinkles and refine skin texture.

This anti-aging serum is formulated around Lactobacillus Ferment Lysate and Niacinamide to soften the look of wrinkles and calm redness.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Glycerin

Dicaprylyl Carbonate

Caprylic/Capric Triglyceride

Cetyl Alcohol

Cetearyl Olivate

Sorbitan Olivate

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Tetrapeptide-21

Palmitoyl Pentapeptide-4

Retinol

Sodium Hyaluronate

Ferulic Acid

Ceramide NP

Bisabolol

Rubus Fruticosus Fruit Extract

Peucedanum Graveolens Extract

Aphanizomenon Flos-Aquae Extract

Avena Sativa Kernel Extract

Citrus Paradisi Peel Extract

Hydrogenated Starch Hydrolysate

Cetyl Palmitate

Sclerotium Gum

Polysorbate 20

Laureth-23

Trideceth-6 Phosphate

Butylene Glycol

Hexylene Glycol

Ethylhexylglycerin

Sodium Hydroxide

Caprylyl Glycol

Phenoxyethanol

Water, Glycerin, Dicaprylyl Carbonate, Caprylic/Capric Triglyceride, Cetyl Alcohol, Cetearyl Olivate, Sorbitan Olivate, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Tetrapeptide-21, Palmitoyl Pentapeptide-4, Retinol, Sodium Hyaluronate, Ferulic Acid, Ceramide NP, Bisabolol, Rubus Fruticosus Fruit Extract, Peucedanum Graveolens Extract, Aphanizomenon Flos-Aquae Extract, Avena Sativa Kernel Extract, Citrus Paradisi Peel Extract, Hydrogenated Starch Hydrolysate, Cetyl Palmitate, Sclerotium Gum, Polysorbate 20, Laureth-23, Trideceth-6 Phosphate, Butylene Glycol, Hexylene Glycol, Ethylhexylglycerin, Sodium Hydroxide, Caprylyl Glycol, Phenoxyethanol

Lactobacillus Ferment Lysate

Propanediol

Niacinamide

Caffeine

Dipropylene Glycol

1,2-Hexanediol

Diethoxyethyl Succinate

Glyceryl Polymethacrylate

Polyacrylate Crosspolymer-6

Mannitol

Adenosine

Sodium Citrate

Dextrin

Theobroma Cacao Extract

Citric Acid

Disodium EDTA

T-Butyl Alcohol

Arginine

Cyclodextrin

Hydroxypropyl Cyclodextrin

Maltodextrin

Xanthan Gum

Beta-Glucan

Acetyl Tetrapeptide-11

Tocopherol

Lactobacillus Ferment Lysate, Water, Propanediol, Glycerin, Niacinamide, Butylene Glycol, Caffeine, Dipropylene Glycol, 1,2-Hexanediol, Diethoxyethyl Succinate, Glyceryl Polymethacrylate, Polyacrylate Crosspolymer-6, Mannitol, Ethylhexylglycerin, Adenosine, Sodium Citrate, Dextrin, Theobroma Cacao Extract, Citric Acid, Disodium EDTA, T-Butyl Alcohol, Arginine, Cyclodextrin, Hydroxypropyl Cyclodextrin, Maltodextrin, Xanthan Gum, Beta-Glucan, Acetyl Tetrapeptide-11, Tocopherol

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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.

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.

Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:

The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.

Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.

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.

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!

Similar Comparisons

The reference edit

Ingredients, questions
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Formula cabinet

Ingredients & structured notes

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Product index

Related product references

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Comparison edit

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