Ingredients
Clinical Results
Transformations
Application
Dr. Antony Nakhla
Bioidentical Technology

1 11

EighthDay

The Regenerative Mini Collection

An essential collection of best selling, dermatologic surgeon-formulated skincare for smoother, brighter, firmer skin. This limited edition ritual and accompanying cosmetic case is available with exclusive savings of $60.

The Resurfacing Tonic (10 mL) - This powerful chemical exfoliating treatment is powered by lactic and glycolic acid to brighten skin, smooth rough texture, and boost absorption of active ingredients.
The Regenerative Serum (5 mL) - The patented formula powered by the highest concentration of proprietary Peptide-rich Plasma® to address 10 visible signs of skin aging, with 97% of users experiencing significant improvement in skin firmness and elasticity.
The Ultra-Rich Intensive Moisturizer (7.5 mL) - A clinically advanced, decadent moisturizer formulated with proprietary VolumatrixSubQ™ biotechnology to volumize skin, hydrate at the cellular level, and slow subcutaneous fat loss by up to 29%.
The Night Cream Treatment (7.5 mL) - An advanced overnight treatment formulated with next-generation, proprietary RetinalXR™ technology to visibly smooth, brighten and firm skin with 250% greater potency than standard retinol.

Benefits

Hydrates at the
Cellular Level

Improves
Loss of Volume

Reduces Fine Lines
& Wrinkles

Increases Firmness
& Elasticity

Product variants

$120.00

~~$180.00~~ $120.00

Sale Sold out

Shipping calculated at checkout.

View full details

Benefits

Hydrates at the
Cellular Level

Improves
Loss of Volume

Reduces Fine Lines
& Wrinkles

Increases Firmness
& Elasticity

Ingredients

RetinalXR™ Smooths fine lines, wrinkles and roughness, brightens dark spots, and decongests the skin at 250% the potency of standard retinol. This extended-release microencapsulated retinal features a proprietary delivery matrix to maximize potency and minimize irritation.
VolumatrixSubQ™ Pairs encapsulated L-ornithine with copper peptide to help restore subcutaneous facial volume, firmness, and elasticity—ideal for skin depleted by age or weight loss. It supports lipid renewal, protects against volume loss and promotes collagen production to visibly plump, smooth, and recontour skin over time. Clinically shown to slow fat loss in the skin by up to 29%.*
GABA active neuropeptides for healing and repair.
Lactic & Glycolic Acid Removes dead skin cells and increases skin cell turnover to improve skin texture and tone.

Peptide-rich Plasma®

A proprietary, patent-pending skincare technology composed of 24 bioidentical peptides, amino acids, and growth factors that mimic the skin’s own ability to renew, restore and regenerate.

The Resurfacing Tonic

Aqua/Water/Eau, Lactic Acid, Sodium Lactate, Lens Esculenta(Lentil) Seed Extract, Cucumis Sativus Fruit Extract, Hamamelis Virginiana Bark/Leaf/Twig Extract, Gluconolactone, Glycolic Acid, Sodium Hyaluronate, Panthenol, Zingiber Officinale Root Extract, Camellia Sinensis Leaf Extract, Aloe Barbadensis Leaf Extract, Isopulegol, Vanillyl Butyl Ether, Isoceteth-20, Potassium Sorbate, Sodium Benzoate.

The Regenerative Serum

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.

The Ultra-Rich Intensive Moisturizer

Water (Aqua), Butyrospermum Parkii (Shea) Butter, Propanediol, Ethylhexyl Palmitate, Glycerin, Glyceryl Stearate, Sodium Acrylate/Sodium Acryloyl Dimethyl Taurate Copolymer, Cetyl Alcohol, Glycol Stearate, Stearic Acid, Caprylic/Capric Triglyceride, Sodium Stearoyl Glutamate, 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), Ornithine, Copper Tripeptide-1, Hydrolyzed Hyaluronic Acid, Phospholipids, Glycolipids, Glycosphingolipids, Phytosphingosine, Panthenol, Allantoin, Tocopherol, Polysorbate 20, Butylene Glycol, Lecithin, Bacillus/Soybean/Folic Acid Ferment Extract, 1,2-Hexanediol, Caprylhydroxamic Acid, Caprylyl Glycol, Ethylhexylglycerin.

The Night Cream Treatment

Active Ingredient: Water (Aqua), Butyrospermum Parkii (Shea) Butter, Ethylhexyl Palmitate, Propanediol, Glyceryl Stearate, Boron Nitride, Coco-Caprylate/Caprate, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Glycol Stearate, Caprylic/Capric Triglyceride, Cetyl Alcohol, Sodium Stearoyl Glutamate, 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) Acetyl Zingerone, Bakuchiol, Retinal, Polysorbate 20, Butylene Glycol, Ethylhexylglycerin, Lecithin, lAllantoin, Teprenone, Bacillus/soybean/folic acid ferment extract, Butylene glycol, 1,2-Hexanediol, Saccharide Isomerate, Cellulose, Panthenol, Tocopherol, Lavandula Angustifolia (Lavender) Oil, Caprylhydroxamic Acid, Caprylyl Glycol.

Clinical Results

100%

of The Resurfacing Tonic users agree skin was more hydrated
97%

of Regenerative Serum users saw significant improvement in skin firmness and elasticity measured using a Cutometer®.
100%

of The Ultra-Rich Intensive Moisturizer users had measurable results, with an average of 29% improvement in fine lines and wrinkles.
100%

agree the Night Cream Treatment delivers professional-grade results.

The Resurfacing Tonic underwent rigorous consumer perception studies and skin measurements with 30 participants over a 4 week period:

94% agree skin felt more supple
91% agree skin texture looks and feels more even
94% agree skin surface feels and looks smoother
85% agree gives skin an instant dewy glow
82% agree gives skin a dewy, radiant glow
85% agree skin is more radiant and luminous
87% agree that it brightens dull, dry skin
88% agree pore size is minimized and pores look more refined
82% agree reduces clogged and congested pores
88% agree skin looks clear and refined
94% agree skin feels deeply clean and rejuvenated
97% agree skin feels purified and refreshed
85% agree fine lines and wrinkles are visibly diminished
85% agree deep-set frown lines and wrinkles are visibly reduced

FIRMNESS AND ELASTICITY

88% agree immediately tightens and firms the skin
91% agree skin feels tighter and more lifted
91% skin feels stronger and more resilient
88% agree skin feels more plump and bouncy

SKIN PREP

94% agree preps the skin for other products and makeup
94% agree makeup goes on smoother
91% agree makeup was less likely to crack
82% agree reduces the appearance of skin blemishes

BLEMISHES

76% agree reduces the appearance of acne scars
82% agree reduces discoloration and hyperpigmentation
82% agree reduces the appearance of dark spots and melasma
85% agree melasma and/or dark sports are visibly reduced
85% agree reduces the appearance of sunspots and sun blemishes

The Regenerative Serum underwent rigorous consumer perception studies and skin measurements with 30 participants over a 4 week period.

96% agree their skin was brighter
100% agree their skin was more firm and tight
96% agree the serum gave an instant glow
95% agree their skin was plumped and hydrated
82% agree the serum reduced signs of sun damage

The results of using The Ultra-Rich Intensive Moisturizer were evaluated in a third party clinical setting utilizing HD imaging software on 34 participants. After 4 weeks of use:

100% of users showed a significant and measurable average of 29% improvement to fine lines and wrinkles.

97% of users showed a significant and measurable improvement to their nasolabial fold

*2% encapsulated l-ornithine has been clinically shown to slow fat loss in the skin by up to 29% per an independent 60-day, twice daily clinical study on 20 women. Individual results may vary.

The Ultra-Rich Intensive Moisturizer also underwent rigorous consumer perception studies with 34 participants. After 4 weeks of use:

VOLUME, LINES & WRINKLES

94% agree skin had a noticeably more voluminous look
94% agree product gave skin a healthy, more youthful fullness
91% agree skin was plump and replenished
88% agree skin looks firmer and fuller
85% agree the fullness in skin softened or reduced fine lines
79% agree nasolabial folds (the smile lines on either side of the mouth) are dramatically improved

FIRMNESS & ELASTICITY

97% agree skin feels stronger and more resilient
94% agree skin had bounce immediately after application
94% agree skin looked more firm and tight
94% agree skin looks firmer and lifted

MOISTURIZATION & HYDRATION

100% agree skin felt hydrated after 12 hours
97% agree skin felt hydrated after 24 hours
97% agree skin is more plumped and hydrated
97% agree dry skin feels soothed and calmed
94% agree they woke up with no noticeable dryness in skin
94% agree skin looks and feels the most hydrated it ever has

RENEWAL & RADIANCE

100% agree skin was healthier-looking
97% agree skin looked more radiant
97% agree skin was softer and smoother
94% agree skin had an instant, dewy glow
91% agree skin looked more youthful on application
88% agree skin has never looked better
85% agree skin looks years younger

The results of using the Night Cream Treatment were evaluated in a third party clinical setting utilizing HD imaging software and Cutometric instrumental analysis on 32 participants. After 4 weeks of use:

97% of users had significant and measurable improvement in skin firmness.
94% of users had significant and measurable improvement in the appearance of fine lines and wrinkles.
86% of users had significant and measurable improvement in the appearance of pore size.

The Night Cream Treatment also underwent rigorous consumer perception studies. After 4 weeks of use:

100% agree the Night Cream Treatment delivers professional-grade results.
100% agree the Night Cream Treatment helped repair and renew skin overnight.
100% agree the Night Cream Treatment helped skin appear more firm and tight.
97% agree the Night Cream Treatment made skin appear more radiant.
97% agree the Night Cream Treatment left skin feeling softer and smoother.
97% agree the Night Cream Treatment kept skin hydrated the morning after.
97% agree the Night Cream Treatment helped visibly reduce the appearance of pores.
94% agree the Night Cream Treatment helped to dramatically reduce the appearance of deep-set frown lines and wrinkles.
91% agree that their hyperpigmentation was visibly reduced after using the Night Cream Treatment.
91% agree they experienced no downtime from skin irritation, redness, or flakiness after using the Night Cream Treatment.

The Night Cream Treatment underwent rigorous consumer perception studies with 33 participants. After one night of use

97% agree treatment delivers professional-grade results.
97% agree treatment helped repair and renew skin overnight.
91% agree treatment helped skin appear firmer and tighter.
100% agree skin felt softer and smoother.
97% agree skin remained hydrated the morning after.
91% agree skin appeared more radiant.
97% agree they experienced no downtime from skin irritation, redness, or flakiness.

Transformations

Formulated in a clinical setting, Eighth Day products undergo rigorous testing to ensure maximum efficacy and measurable skin changes.

Unretouched photos, taken in standard lighting. Based on 4 and 6-week studies of 30+ patients.

Proprietary Bioidentical Technology

Clean Science

Safe for Sensitive Skin

Cruelty-Free

Unisex & for all Skin Tones

Application

The Resurfacing Tonic — As the first step of your everyday skincare routine and after cleansing, apply liberally to palms or cotton and massage into face until absorbed.

The Regenerative Serum — Apply 4-5 drops onto fingertips and gently sweep over the face and neck in an upward motion.

The Ultra-Rich Intensive Moisturizer — Gently massage onto the face, neck, décolleté and around the eye area in the morning and evening.

The Night Cream Treatment — As the last step in your nightly skincare routine, apply to skin every two to three nights, while gradually increasing to nightly use as tolerated.

Dr. Antony Nakhla

A board-certified dermatologist, dermatologic surgeon, scientist and innovator, Dr. Antony Nakhla is a leading authority in skin cancer treatment, Mohs micrographic reconstructive surgery and wound healing. Eighth Day is inspired by what Dr. Nakhla observed firsthand working on over 10,000 surgical patients – the innate healing and regenerative powers of human skin.

Learn more

We Speak the Language of Skin