Biologique Recherche Sérum PIGM 400 Brightening and Dark Spot-Correcting Serum for the Face Versus Fresh Tea Elixir Skin Resilience Activating Serum

Biologique Recherche Sérum PIGM 400 Brightening and Dark Spot-Correcting Serum for the Face Versus Fresh Tea Elixir Skin Resilience Activating Serum

This barrier-repair serum is formulated around Niacinamide and Camellia Sinensis Leaf Extract to strengthen the skin barrier and soften the look of wrinkles.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Coco-Caprylate

Butylene Glycol

Pentylene Glycol

Glycerin

Lactobacillus/Wasabia Japonica Root Ferment Extract

Sodium Acrylates Copolymer

Soy Isoflavones

Hydrolyzed Prunus Domestica

Dictyopteris Membranacea Extract

Pancratium Maritimum Extract

Dimethylmethoxy Chromanyl Palmitate

Dimethylmethoxy Chromanol

Oligopeptide-68

Lepidium Sativum Sprout Extract

Glycine Soja Oil

Lecithin

Hydrogenated Lecithin

Polysorbate 80

Alcohol

Phenoxyethanol

Sodium Oleate

Disodium EDTA

Water, Coco-Caprylate, Butylene Glycol, Pentylene Glycol, Glycerin, Lactobacillus/Wasabia Japonica Root Ferment Extract, Sodium Acrylates Copolymer, Soy Isoflavones, Hydrolyzed Prunus Domestica, Dictyopteris Membranacea Extract, Pancratium Maritimum Extract, Dimethylmethoxy Chromanyl Palmitate, Dimethylmethoxy Chromanol, Oligopeptide-68, Lepidium Sativum Sprout Extract, Glycine Soja Oil, Lecithin, Hydrogenated Lecithin, Polysorbate 80, Alcohol, Phenoxyethanol, Sodium Oleate, Disodium EDTA

Simmondsia Chinensis Seed Oil

Helianthus Annuus Seed Oil

Isostearyl Alcohol

Propanediol

1,2-Hexanediol

Niacinamide

Butylene Glycol Cocoate

Cellulose

Macrocystis Pyrifera Extract

Camellia Sinensis Leaf Extract

Argania Spinosa Kernel Oil

Hyaluronic Acid

Ceramide NP

Tocopheryl Acetate

Tocopherol

Maltodextrin

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Parfum

Ethylcellulose

Xanthan Gum

Sodium Hyaluronate

Sodium Hydroxide

Adenosine

Biosaccharide Gum-1

Phytosphingosine

Chlorphenesin

Potassium Sorbate

Sodium Benzoate

Limonene

Linalool

Citronellol

Geraniol

Water, Glycerin, Simmondsia Chinensis Seed Oil, Helianthus Annuus Seed Oil, Isostearyl Alcohol, Propanediol, 1,2-Hexanediol, Niacinamide, Pentylene Glycol, Butylene Glycol Cocoate, Cellulose, Macrocystis Pyrifera Extract, Camellia Sinensis Leaf Extract, Argania Spinosa Kernel Oil, Hyaluronic Acid, Ceramide NP, Tocopheryl Acetate, Tocopherol, Maltodextrin, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Parfum, Ethylcellulose, Xanthan Gum, Sodium Hyaluronate, Sodium Hydroxide, Adenosine, Biosaccharide Gum-1, Phytosphingosine, Hydrogenated Lecithin, Chlorphenesin, Potassium Sorbate, Sodium Benzoate, Limonene, Linalool, Citronellol, Geraniol

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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.

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.

Hydrogenated Lecithin is a more stable version of lecithin.

It's made by taking lecithin (a phospholipid commonly found in soybeans and egg yolks) and hydrogenating it. This just means the unsaturated fatty acids are turned into saturated ones so they don't go bad as easily.

This ingredient is an emollient, emulsifier, and penetration enhancer. As an emollient, it helps soften and hydrate skin by trapping moisture within. As an emulsifier, it prevents oil and water ingredients from separating.

Hydrogenated Lecithin can form tiny spherical structures made of phospholipid bilayers called liposomes. These liposomes are able to capture compounds inside their structure and deliver them through the skin barrier.

Because phospholipids are a natural component of our cell membranes, this ingredient is inherently compatible with skin.

A 2021 study found lecithin-based surfactants were less harsh and more tolerable comared to Sodium Lauryl Sulfate (SLS).

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%.

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!

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