Skip to main content
Caplight Logo









Eighth Day

Eighth Day

Private
Newport Beach, CaliforniaConsumer & Commercehttps://eighthdayskin.com/

Last Round

Series A

Sep 18, 2023

Company Overview

Eighth Day is a personal products company that develops and markets science-backed, luxury skincare products formulated with proprietary peptide-rich plasma technology.

Sector

Consumer & Commerce

Verticals

Fashion & Beauty, D2C Brands

Business Model

B2C

Customer Profile

Hardware Sales

AI Layer

Non-AI

Keywords

clinical-grade skincarepeptide-rich plasmaPRPanti-aging serumdermatologist-developed skincareluxury beautymedical-grade skincarecosmeceuticalsskin rejuvenationDTC skincarepeptide skincarepremium moisturizerscience-backed beautyclean clinical beauty

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Eighth Day Comparables

Compare Eighth Day with similar companies based on industry and business-model similarity.

Eighth Day comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Dr. Diamond's Metacine
88%
FACTORFIVE Skincare
86%
MACRENE actives
86%

Eighth Day Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series ASep 18, 2023

Key People

Founding team and executive leadership

Savannah Sachs

Chief Executive Officer

Executive Team

Eighth Day Investors

Notable investors and investment history

Eighth Day investors
InvestorRounds
L CattertonSeries A
Elevate Beauty VenturesSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 21, 2025

    Grew 56% QoQ, from 9 to 14 employees.

  • Jun 2, 2025

    Grew 57% QoQ from 7 to 11 employees.

Eighth Day Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation

Eighth Day Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Eighth Day's valuation, stock price, and market status.

Firmographic Details

HeadquartersNewport Beach, California
Employee Range14
Year Founded2021
Last FundingSep 18, 2023

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?