• The Discovery Duo | Eighth Day Skin
  • The Discovery Duo | Eighth Day Skin
  • The Discovery Duo | Eighth Day Skin
  • The Discovery Duo is Formulated with Peptide-Rich Plasma | Eighth Day Skin
  • The Discovery Duo is Formulated with Peptide-Rich Plasma | Eighth Day Skin
  • The Discovery Duo visibly improved the appearance of deep set wrinkles. Unretouched photos, taken in standard lighting. Based on a 4-week clinical study of 41 patients using both the Regenerative Serum and the Reparative Moisturizer.
  • The Discovery Duo visibly improved the appearance of deep set wrinkles. Unretouched photos, taken in standard lighting. Based on a 4-week clinical study of 41 patients using both the Regenerative Serum and the Reparative Moisturizer.
  • The Discovery Duo visibly improved the appearance of deep set wrinkles. Unretouched photos, taken in standard lighting. Based on a 4-week clinical study of 41 patients using both the Regenerative Serum and the Reparative Moisturizer.
  • The Discovery Duo visibly improved the appearance of deep set wrinkles. Unretouched photos, taken in standard lighting. Based on a 4-week clinical study of 41 patients using both the Regenerative Serum and the Reparative Moisturizer.
1 10

EighthDay

The Discovery Duo

The Discovery Duo

Experience the transformational results of two of our cult-favorite hero products, the serum and moisturizer that are as smart as your skin, in 15ml trial sizes. Potent alone, remarkably powerful together:

  • The Regenerative Serum (15 ml) - addresses the 10 visible signs of skin aging to reduce fine lines and wrinkles, while restoring skin tone and texture for healthier, more youthful-looking skin.
  • The Reparative Moisturizer (15 ml) - a highly active moisturizing treatment that hydrates and repairs damaged, aging skin and stimulates your own cells toward optimum health and beauty.

Ideal for all skin types.

$265.00
$290.00 $265.00
Sale Sold out
Shipping calculated at checkout.
View full details

Ingredients

Ingredients

  • Hyaluronic Acid Improves moisture and skin plumpness.
  • Niacinamide reduces redness and inflammation.
  • Glycolic Acid improves skin texture and reduces the appearance of pores.
  • Ceramide Protein Increases cell-to-cell cohesion and water-binding for optimum moisturization. Rich in Omega 3, 6 & 9 essential fatty acids to increase firmness and elasticity.
  • Linseed (Flax) works to bolster skin moisture levels and minimize trans epidermal water loss. Also rich in essential fatty acids along with carotenoids that offer soothing and restorative properties.
  • Ferulic Acid antioxidant, anti-inflammatory, and skin brightening benefits.
See full ingredient list

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.

See full ingredient list
Ingredients

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 Reparative Moisturizer

Aqua/Water/Eau, Ethylhexyl Palmitate, Butyrospermum Parkii (Shea) Butter, Cocos Nucifera (Coconut) Oil, Cetearyl Olivate, Sorbitan Oleate, Stearyl Alcohol, Propanediol, Glyceryl Stearate, Aloe Barbadensis (Aloe) Leaf Juice, Caprylhydroxamic Acid, Caprylyl Glycol, Glycerin, 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), Glycosphingolipids, Glycolipids, Hydrolyzed Hyaluronic Acid, Ferulic Acid, Retinyl Palmitate, Resveratrol, Ergothioneine, Linum Usitatissimum (Linseed) Seed Oil, Bacillus/Soybean/Folic Acid Ferment Extract, Tocopherol, Sodium Pca, 1,2-Hexanediol, Polysorbate 20, Ethylhexylglycerin, Allantoin, Lecithin, Butylene Glycol, Rosmarinus Officinalis (Rosemary) Leaf Extract, Lavandula Agustifolia (Lavender) Oil, Xanthan Gum.

Clinical Results

Clinical Results

Clinical Results

  • 100%

    agree the Regenerative Serum smoothed fine lines and wrinkles.

  • 97%

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

  • 97%

    agree skin was more firm, tight, and lifted after using the Reparative Moisturizer.

  • 100%

    of subjects showed improved skin moisture immediately after first use of the Reparative Moisturizer.

See all clinical results
Clinical Results

The Regenerative Serum:

  • 100% agree smoothed fine lines and wrinkles.
  • 96% agree their skin was brighter.
  • 96% agree gave an instant glow.
  • 95% agree skin was more radiant.
  • 96% agree skin was plumped and hydrated.
  • 100% agree skin was more firm and tight.

The Reparative Moisturizer:

  • 100% showed improved skin moisture immediately after first use.
  • 97% agree dry skin feels hydrated all day.
  • 97% agree skin was firm, lifted and radiant.
  • 97% agree improved tone and texture.
  • 94% agree fine lines and wrinkles were visibly reduced.
Sustainably Packaged Sustainably Packaged
Unisex & for all Skin Tones Unisex & for all Skin Tones
Cruelty-Free Cruelty-Free
Safe for Sensitive Skin Safe for Sensitive Skin
Clean Science Clean Science
Proprietary Bioidentical Technology Proprietary Bioidentical Technology
Sustainably Packaged Sustainably Packaged
Unisex & for all Skin Tones Unisex & for all Skin Tones
Cruelty-Free Cruelty-Free
Safe for Sensitive Skin Safe for Sensitive Skin
Clean Science Clean Science
Proprietary Bioidentical Technology Proprietary Bioidentical Technology

Application

Application Application

Application

After applying Eighth Day® Regenerative Serum, Dr. Nakhla recommends gently massaging the Reparative Moisturizer into face, neck, décolleté and around the eye area in the morning and evening.

Dr. Antony Nakhla

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

Dr. Antony Nakhla

We Speak the Language of Skin

Application Application

We Speak the Language of Skin

Eighth Day formulas are bioidentical – that is, we use synthesized ingredients that are biologically identical to the molecules already found in your skin. By communicating directly to skin cells in their own native tongue, we harness the power of modern skin technology to deliver real results.

Learn more

Sustainably Packaged Sustainably Packaged
Unisex & for all Skin Tones Unisex & for all Skin Tones
Cruelty-Free Cruelty-Free
Safe for Sensitive Skin Safe for Sensitive Skin
Clean Science Clean Science
Proprietary Bioidentical Technology Proprietary Bioidentical Technology

Become an Eighth Day VIP

Earn rewards with our exclusive loyalty program.

Earn rewards with our exclusive loyalty program.

Complete your routine

ADD ROUTINE TO CART - $435.00
The Restorative Cleanser | Eighth Day Skin

The Restorative Cleanser

$85.00
The Resurfacing Tonic | Eighth Day Skin

The Resurfacing Tonic

$125.00
The Eye Renewal Cream | Eighth Day Skin

The Eye Renewal Cream

$225.00
ADD ROUTINE TO CART - $435.00