The Regenerative Serum – Cos Bar

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Black serum bottle with dropper labeled 'Eighth Day' on a white background

Diagram of skin cells with text labels on a dark background

Regenerative serum bottle held by a hand with text listing signs of aging.

Before and after comparison of deep set wrinkles on a person's forehead with text about a regenerative serum.

Advertisement for skincare product showing clinical results on a black background

Three black bottles of Eighth Day skincare on a reflective surface with a beige background

Black bottle with dropper labeled 'Eighth Day' on a white background

Diagram of peptide-rich plasma with labeled benefits on a dark background

Regenerative serum bottle held by a hand with text listing signs of aging.

Before and after comparison of deep set wrinkles on a person's forehead with text about a regenerative serum.

Advertisement for skincare product showing clinical results on a black background

Three black 'Eighth Day' skincare bottles on a reflective surface with a beige background

Eighth Day bottle and packaging on a white background

Black serum bottle with dropper labeled 'Eighth Day' on a white background

Diagram of skin cells with text labels on a dark background

Regenerative serum bottle held by a hand with text listing signs of aging.

Before and after comparison of deep set wrinkles on a person's forehead with text about a regenerative serum.

Advertisement for skincare product showing clinical results on a black background

Three black bottles of Eighth Day skincare on a reflective surface with a beige background

Black bottle with dropper labeled 'Eighth Day' on a white background

Diagram of peptide-rich plasma with labeled benefits on a dark background

Regenerative serum bottle held by a hand with text listing signs of aging.

Before and after comparison of deep set wrinkles on a person's forehead with text about a regenerative serum.

Advertisement for skincare product showing clinical results on a black background

Three black 'Eighth Day' skincare bottles on a reflective surface with a beige background

Eighth Day bottle and packaging on a white background

$325.00

Size

30 mL

50 mL

100 mL

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Backordered, shipping soon

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A potent serum powered by 24 peptides and growth factors that mirror the molecules found in human skin to firm, smooth, and regenerate the complexion.

Aqua/Water/Eau, Pentylene Glycol, Peptide-Rich Plasma® (Sh-Oligopeptide-2, Sh-Polypeptide-1, Sh-Polypeptide-9, Sh-Polypeptide-11, Acetyl Hexapeptide-8, Sh-Oligopeptide-1, Palmitoyl Tripeptide-5, Palmitoyl Tetrapeptide-7, Acetyl Glutamine, Sodium Hyaluronate, Lysine Hcl, Alanine, Histidine Hcl, Arginine, Serine, Proline, Glutamic Acid, Threonine, Valine, Leucine, Glycine, Isoleucine, Phenylalanine, Taurine), Glycerin, Hedychium Coronarium Root Extract, Tripeptide-1, Polygonum Aviculare Extract, Honey, Nonapeptide-1, Acetyl Heptapeptide-4, Phytosphingosine, Sea Whip Extract, Niacinamide, Hydrolyzed Hyaluronic Acid, Aminobutyric Acid, Adenosine, Thioctic Acid, Glycolic Acid, Bacillus/ Soybean/Folic Acid Ferment Extract, Polysorbate 20, Allantoin, Caprylyl Glycol, Lecithin, Butylene Glycol, 1,2-Hexanediol, Dextran, Phenoxyethanol, Ethylhexylglycerin, Xanthan Gum.

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Overall rating: 5.0 / 5 from 1 reviews.

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Love it

"Great serum to use first thing in the morning. After 4 weeks, skin looks smoother and brighter. Makes a nice base for makeup application."

— AGM (5/5)

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The Regenerative Serum