Ingredients
Clinical Results
Application
Dr. Antony Nakhla
Bioidentical Technology

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EighthDay

The Day To Night Duo

An effortless dawn-to-dusk skincare ritual featuring two transformative formulas developed by dermatologic surgeon Dr. Antony Nakhla for refreshed, revitalized skin both day and night. This duo is available as a limited edition bundle, with your choice of moisturizer, at an exclusive value.

The Ultra-Rich Intensive Moisturizer (50 mL) - VolumatrixSubQ™ biotechnology mimics subcutaneous lipofilling to help rebuild facial fullness, support collagen production, and diminish the look of fine lines and wrinkles. Three molecular weights of hyaluronic acid deliver instant and long-term hydration. Powered by Peptide-rich Plasma® to help skin renew, restore, and regenerate.
The Night Cream Treatment (50 mL) - An advanced overnight anti-aging treatment formulated with next-generation, proprietary RetinalXR™ technology to visibly smooth, brighten, and firm skin with 250% greater potency than standard retinol. Created for experienced retinoid users, this decadent cream formula delivers an extended release, microencapsulated retinal to maximize potency and minimize irritation.

Choose your moisturizer.

Product variants

$640.00

~~$740.00~~ $640.00

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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.
GGA (Teprenone) Inhibits DNA damage to help extend the life of skin cells, slowing visible signs of aging
Bakuchiol Smooths skin’s texture, reduces dark spots, and restores elasticity
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%.*
3x Hyaluronic Acid A trio of low, medium, and high molecular weight hyaluronic acid that works throughout the layers of skin to instantly plump the surface, replenish deeper layers, and lock in moisture for a hydrated, bouncy, lasting glow.

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.

Clinical Results

100%

of users had measurable results, with an average of 29% improvement in fine lines and wrinkles.
97%

agree The Night Cream Treatment delivers professional grade results.
97%

agree they experienced no downtime from skin irritation, redness, or flakiness when using The Night Cream.

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

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.

Sustainably Packaged

Unisex & for all Skin Tones

Cruelty-Free

Safe for Sensitive Skin

Clean Science

Proprietary Bioidentical Technology

Application

As a part of your morning skincare routine, apply your chosen moisturizer to clean skin, gently massaging into face, neck, and décolleté and around the eye area. As the last step of your evening skincare regimen, apply The Night Cream Treatment to your face and neck. For extra dry skin, layer on your chosen moisturizer before applying Night Cream to conclude your nightly skincare routine.

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.

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