Summer's Eve Feminine Wash — Sheer Beauty 237mL

Specifications

Brand

Summer's Eve (サマーズイブ)

Type

Gel, leave-in-hand-then-rinse wash

Volume

237mL

Featured Ingredients

Niacinamide (Vitamin B3), Glycerin

Made In

Thailand

Fragrance

White floral scent

Features

@cosme Best Cosmetics Award 2025, #2 Ranked: Won #2 in the Delicate Zone Care category from @cosme, a real third-party Japanese cosmetics review platform.

Two Named Featured Ingredients: Niacinamide (Vitamin B3) supports skin clarity and helps counter dryness-related dullness; glycerin holds moisture in skin.

Darkening Attributed to Dirt, Not Pigmentation: The maker's own footnotes attribute darkening to surface dirt and old dead skin, and dullness to dryness -- not a melanin or medical whitening claim.

Also Built For Post-Hair-Removal Care: Positioned by the maker for VIO/hair-removal aftercare and general odor and mugginess concerns, in addition to its dullness-care angle.

Benefits

A Formula Built Around Two Named Active Ingredients: Instead of a vague brightening claim, this wash names its two featured ingredients: niacinamide and glycerin. That specificity means you know what you're actually applying, not just a marketing phrase without substance behind it.

Addresses Dullness Without An Overreaching Claim: The maker is specific about what causes the darkening this wash targets: surface dirt, old dead skin, and dryness, not melanin or pigmentation. That's a more honest starting point than a product promising to change your skin's actual pigment.

Niacinamide And Glycerin, Named And Explained: Niacinamide is a form of Vitamin B3 the maker links to skin clarity; glycerin is a humectant that pulls in and holds moisture. Both are identified by name and function, not just bundled into an unlabeled 'brightening complex'.

Backed By A Real Third-Party Award: This formula won #2 in the Delicate Zone Care category at the @cosme Best Cosmetics Award 2025, a real Japanese cosmetics review platform, not a self-issued badge. It's independent recognition on top of the maker's own ingredient claims.

No Lather Needed, Just Wash And Rinse: Apply a small amount, wash gently, and rinse -- there's no separate step to work it into foam first. That keeps a daily-care routine quick, which matters if you're already fitting in enough steps.

A Silky White Floral Finish: The scent is a white floral, and the maker describes the after-use feel as smoother, silkier skin rather than just clean. It's designed to leave a finish you notice, not just an absence of residue.

How to Use

Wet the area to be cleaned with water or lukewarm water.

Take a small amount into your hand.

Wash gently by massaging.

Rinse thoroughly with water or lukewarm water.

Who Is This For

The Honest-Claims Shopper: You've noticed some darkening or dullness in the intimate area and want a wash that names exactly what it's doing about it, not a vague brightening promise. Summer's Eve Sheer Beauty is built around two named ingredients -- niacinamide and glycerin -- with darkening honestly attributed to surface dirt and dryness, not pigmentation. It's also won real third-party recognition from @cosme, not just a self-issued badge.

Product Story

Summer's Eve's own company survey of 500 women aged 20-50 (May 2022) found skin darkening in the intimate area ranked as the top concern, ahead of care-time length and skin roughness. Sheer Beauty was built around that finding, with two named active ingredients: niacinamide, a form of Vitamin B3 the maker links to skin clarity, and glycerin, a humectant that helps skin hold moisture. The maker is careful to attribute the darkening this wash targets to surface dirt and old dead skin, and dullness to dryness -- not to melanin or pigmentation, which keeps the claim grounded rather than overreaching. That approach was recognized outside the brand too: the formula won #2 in the Delicate Zone Care category at the @cosme Best Cosmetics Award 2025, a real third-party Japanese cosmetics review platform. Like the rest of the line, it's a no-lather concentrated gel with a white floral scent, also positioned for post-hair-removal and general odor care.

What's Inside

• Summer's Eve Feminine Wash Sheer Beauty 237mL

Not For Everyone

individuals with known hypersensitivity to any listed ingredient, including niacinamide or fragrance: may cause allergic contact dermatitis or irritation

individuals who experience redness, itching, or rash after use: discontinue use if product does not suit your skin

children under 12 years old: not intended for use by children without medical supervision

individuals with broken, irritated, or infected skin in the application area: may exacerbate irritation or delay healing, particularly relevant right after hair removal

Care Guide

Storage: No specific storage instructions provided by the manufacturer.

Shelf Life: No stated shelf life from the maker.

Important: Manufacturer states discontinue use if the product does not suit your skin.

Ingredients and Materials

Water: Base liquid that dissolves other ingredients.

Sodium Laureth Sulfate: Cleansing agent that removes dirt and oil.

Sodium Chloride: Thickener that adjusts texture.

Glycerin: Featured ingredient; humectant that helps skin hold moisture.

Lauryl Glucoside: Mild cleansing agent made from plant sugars.

Lactic Acid: pH adjuster to match skin's natural acidity.

Sodium Benzoate: Preservative that prevents bacteria and mold growth.

Niacinamide: Featured ingredient; Vitamin B3 the maker links to skin clarity and countering dryness-related dullness.

Cocamidopropyl Betaine: Gentle cleanser and foam booster from coconut oil.

Alpha-Glucan Oligosaccharide: Prebiotic that supports good bacteria on skin.

Disodium EDTA: Stabilizer that keeps product clear and effective.

Fragrance: Provides the white floral scent.

Quick Answer

Summer's Eve Feminine Wash Sheer Beauty is a niacinamide-and-glycerin gel wash marketed around a dullness-care angle for the intimate area, with darkening attributed by the maker to surface dirt and old dead skin, not melanin. It won the @cosme Best Cosmetics Award 2025, #2 in the Delicate Zone Care category, and is also positioned for post-hair-removal and general odor/mugginess care.