EIGHTH DAY EIGHTH DAY The Regenerative Serum Duo $650 Value

EIGHTH DAY EIGHTH DAY The Regenerative Serum Duo $650 Value - 1

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EIGHTH DAY EIGHTH DAY The Regenerative Serum Duo $650 Value - 3

EIGHTH DAY The Regenerative Serum Duo $650 Value

Name: EIGHTH DAY The Regenerative Serum Duo $650 Value
Brand: EIGHTH DAY
SKU: A1739505
Price: 450.00 USD
Availability: InStock

EIGHTH DAY

$450.00

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Product Insights & Style Tips

The Regenerative Serum Duo feels like a quiet eruption of science meeting skin couture in a sleek bottle. Built on Peptide-rich Plasma, its highest concentration speaks the language of renewal, with 24 bioidentical actives addressing ten visible signs of aging. The formula reads clinical but wears softly, delivering a luminous, healthy-looking finish that reads polished and modern for every skin ritual.

Two full-size serums, each 1 oz, come in a paraben-free, fragrance-free package. To use, apply 4 to 5 drops onto fingertips and gently sweep over face and neck in an upward motion. The formula supports moisture and plumpness via hyaluronic acid, reduces redness and inflammation with niacinamide, refines texture with glycolic acid, and leans on antioxidants like alpha lipoic acid plus ginger-root extract and knotgrass flavonoids to shield against environmental stress. In a consumer perception study with 30 participants over four weeks, 100% agreed the serum smoothed fine lines and wrinkles, 96% brighter, 100% firmer, 96% instant glow, 95% plumped and hydrated, and 82% reduced signs of sun damage.

Made in the USA, EIGHTH DAY centers regenerative science with a clean, premium approach. This duo sits at the crossroads of clinical skincare and everyday luxury, offering a visible lift for day or night routines.

Materials / Fabrication

A duo of Regenerative Serum featuring Peptide-rich Plasma with 24 bioidentical peptides, growth factors and amino acids
High concentration of proprietary peptide active complex designed to target multiple signs of aging
Key ingredients: Hyaluronic acid, Niacinamide, Glycolic acid, Alpha lipoic acid, Manuka honey, Nonapeptide-1, Ginger-root extract, knotgrass flavonoids, GABA
Set includes two full-size Regenerative Serums (1 oz each)
Free from parabens, phthalates, sulfates, PEGs, synthetic fragrance and gluten
Made in the USA

Recommended Care

Apply 4 to 5 drops onto fingertips and gently sweep over face and neck in an upward motion after cleansing
Avoid contact with eyes; if product contact occurs, rinse thoroughly with water
Patch test before first use
Store in a cool, dry place away from direct sunlight
If irritation occurs, discontinue use and consult a dermatologist

Beauty Trends & Makeup Tips

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About Eighth Day

Eighth Day is a science-driven luxury skincare brand developed by board-certified dermatologist Dr. Antony Nakhla. Renowned for its advanced formulas, the brand offers clinical-grade products including serums, moisturizers, eye treatments, and cleansers designed to support skin rejuvenation and barrier health. Eighth Day’s signature approach centers on patented Peptide-Rich Plasma® technology, which helps address signs of aging, uneven texture, and environmental stressors. The brand intentionally bridges medical expertise with high-performance ingredients, appealing to shoppers seeking results-oriented solutions supported by scientific research. With a focus on innovation and visible transformation, Eighth Day has become a standout in the prestige beauty market for those looking to enhance their skincare regimen with targeted, dermatologist-developed essentials.