boscia Peptide Youth-Restore Firming Body Serum Versus Necessaire The Body Serum (Le Serum Corps)

boscia Peptide Youth-Restore Firming Body Serum Versus Necessaire The Body Serum (Le Serum Corps)

This anti-aging serum is formulated around Squalane and Niacinamide to soften the look of wrinkles and strengthen the skin barrier.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Propanediol

Glycerin

Squalane

Caprooyl Tetrapeptide-3

Niacinamide

Calendula Officinalis Flower Extract

Bisabolol

Zingiber Officinale Root Extract

Chamomilla Recutita Flower Extract

Sodium Hyaluronate

Simmondsia Chinensis Seed Extract

Epilobium Angustifolium Flower/Leaf/Stem Extract

Citrus Grandis Peel Oil

Citrus Aurantium Dulcis Peel Oil

Caprylyl Glycol

1,2-Hexanediol

Butylene Glycol

Pullulan

Isohexadecane

Dextran

Polysorbate 80

Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Water, Propanediol, Glycerin, Squalane, Caprooyl Tetrapeptide-3, Niacinamide, Calendula Officinalis Flower Extract, Bisabolol, Zingiber Officinale Root Extract, Chamomilla Recutita Flower Extract, Sodium Hyaluronate, Simmondsia Chinensis Seed Extract, Epilobium Angustifolium Flower/Leaf/Stem Extract, Citrus Grandis Peel Oil, Citrus Aurantium Dulcis Peel Oil, Caprylyl Glycol, 1,2-Hexanediol, Butylene Glycol, Pullulan, Isohexadecane, Dextran, Polysorbate 80, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Coconut Alkanes

Ammonium Acryloyldimethyltaurate/Vp Copolymer

Panthenol

Ceramide NP

Pentylene Glycol

Coco-Caprylate/Caprate

Trisodium Ethylenediamine Disuccinate

Hydrogenated Lecithin

Polyglyceryl-10 Stearate

Sucrose Stearate

Gluconolactone

Sodium Benzoate

Water, Glycerin, Coconut Alkanes, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Sodium Hyaluronate, Niacinamide, Panthenol, Ceramide NP, Pentylene Glycol, Coco-Caprylate/Caprate, Trisodium Ethylenediamine Disuccinate, Hydrogenated Lecithin, Polyglyceryl-10 Stearate, Sucrose Stearate, Gluconolactone, Sodium Benzoate

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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.

Niacinamide is a multitasking form of vitamin B3 that strengthens the skin barrier, reduces pores and dark spots, regulates oil, and improves signs of aging.

And the best part? It's gentle and well-tolerated by most skin types, including sensitive and reactive skin.

You might have heard of "niacin flush", or the reddening of skin that causes itchiness. Niacinamide has not been found to cause this.

In very rare cases, some individuals may not be able to tolerate niacinamide at all or experience an allergic reaction to it.

If you are experiencing flaking, irritation, and dryness with this ingredient, be sure to double check all your products as this ingredient can be found in all categories of skincare.

When incorporating niacinamide into your routine, look out for concentration amounts. Typically, 5% niacinamide provides benefits such as fading dark spots. However, if you have sensitive skin, it is better to begin with a smaller concentration.

When you apply niacinamide to your skin, your body converts it into nicotinamide adenine dinucleotide (NAD). NAD is an essential coenzyme that is already found in your cells as "fuel" and powers countless biological processes.

In your skin, NAD helps repair cell damage, produce new healthy cells, support collagen production, strengthen the skin barrier, and fight environmental stressors (like UV and pollution).

Our natural NAD levels start to decline with age, leading to slower skin repair, visible aging, and a weaker skin barrier. By providing your skin niacinamide, you're recharging your skin's NAD levels. This leads to stronger, healthier, and younger looking skin.

Another name for vitamin B3 is nicotinamide. This vitamin is water-soluble and our bodies don't store it. We obtain Vitamin B3 from either food or skincare. Meat, fish, wheat, yeast, and leafy greens contain vitamin B3.

The type of niacinamide used in skincare is synthetically created.

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.

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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