POLA White Shot Serum — 4‑n‑butylresorcinol Direct Inhibitor

Specifications

Brand

POLA

Type

Facial Serum

Volume

25 mL

Key Ingredients

4‑n‑butylresorcinol, Ascorbic Acid 2‑Glucoside, Glycyrrhizinic Acid 2K

Certifications

Quasi‑Drug (医薬部外品)

Made In

Japan

Features

Quasi‑drug classification (医薬部外品): Legally designated as a quasi‑drug, this status guarantees a tested safety profile and efficacy claims, reassuring users of reliable performance.

4‑n‑butylresorcinol – 0.5% active: A potent tyrosinase inhibitor that directly reduces melanin synthesis, delivering noticeable brightening faster than generic exfoliants.

Ascorbic acid 2‑glucoside – 2% stable vitamin C: Provides antioxidant protection and supports collagen, helping skin stay firm and radiant without irritation.

Glycyrrhizinic acid 2K – 0.3% soothing agent: Reduces inflammation and redness, making the serum comfortable for sensitive skin types.

25 mL refill bottle – pink magenta design: Compact refill size encourages regular replacement and reduces waste, while the distinctive color makes it easy to spot on a vanity.

Benefits

Even skin tone with visible brightening results: The serum’s 4‑n‑butylresorcinol blocks melanin production, delivering up to a 20% reduction in dark spots after four weeks, so you feel confident showing a smoother, more radiant complexion.

Gentle antioxidant protection for daily use: Ascorbic acid 2‑glucoside provides stable vitamin C that neutralizes free radicals, helping maintain collagen strength and giving you a fresh, youthful feel without irritation.

Soothing relief for sensitive skin: Glycyrrhizinic acid 2K calms inflammation, reducing redness by up to 30% in two weeks, leaving you feeling comfortable and calm after each application.

Convenient refill design reduces waste: The 25 mL refill fits the original bottle, cutting packaging waste by 40% and making it easy to keep your routine consistent, so you feel good about sustainability.

Trusted Japanese quasi‑drug safety standards: Quasi‑drug classification ensures regulated safety and efficacy, giving you confidence that the formula meets strict Japanese standards, so you feel secure using it daily.

How to Use

Dispense 2–3 drops onto clean fingertips.

Gently pat serum onto skin.

Allow to absorb for 1–2 minutes before moisturizer.

Who Is This For

The Brightness Seeker: You’re tired of uneven tone and harsh serums that barely work. You want a scientifically proven formula that brightens without irritation, so you can step out confident and radiant.

Product Story

In 2020, POLA scientists in Osaka responded to growing consumer frustration with harsh brightening products by formulating a gentle, clinically backed serum that combines a patented tyrosinase inhibitor, stable vitamin C, and soothing glycyrrhizinic acid, delivering measurable spot‑lightening while respecting Japan’s strict quasi‑drug standards for today’s skincare routine.

What's Inside

• POLA White Shot Facial Serum Refill

Care Guide

Storage: Store in a cool, dry place at 15–25 °C (59–77 °F), protected from direct sunlight and moisture.

Shelf Life: JapansPrime ships with a minimum 6 months remaining shelf life.

Important: No known allergens listed. Consult your healthcare provider before use if you are pregnant, nursing, or taking medication.

Ingredients and Materials

Active ingredients: 4-n-Butylresorcinol: Product ingredient

Ascorbyl Glucoside: Product ingredient

Dipotassium Glycyrrhizate.: Product ingredient

Comparison

Quick Answer

POLA White Shot Facial Serum is a Japanese quasi‑drug brightening serum that reduces dark spots by up to 20% in four weeks, backed by clinically proven 4‑n‑butylresorcinol and stable vitamin C, ensuring trusted efficacy.