Social Tech Co., Ltd. (Headquarters: Shinjuku-ku, Tokyo; CEO: Toru Mochizuki) is pleased to announce that 'Bio Lucia Eyelash Serum,' a product from its haircare brand Bio Lucia, has achieved the #1 position in the 'Best Sellers Rank' within the Beauty category on Amazon, one of Japan's largest e-commerce platforms, and has been designated as a 'Bestseller'.

▼ Bio Lucia Official Website

https://biolucia.jp/

【Overwhelming Support on Amazon】 Over 20,000 units purchased in the past month, achieving a triple crown*2.

'Bio Lucia Eyelash Serum' has become a highly popular product, with over 20,000 units purchased on Amazon in the past month alone*1, demonstrating strong consumer demand.

In February this year, the product simultaneously ranked #1 in three categories on Amazon's Eye Area & Eyelash Care rankings: 'Best Sellers,' 'Popular Gift,' and 'Wish List,' achieving the 'Amazon Triple Crown'*2.

Now, it has further achieved the #1 spot in the highly competitive Beauty category, earning the prestigious 'Bestseller' badge.

*1 As of July 10, 2026

*2 Ranked #1 on February 19, 2026, in the Eye Area & Eyelash Care category on Amazon Japan for Best Sellers, Popular Gift, and Wish List rankings.

Key Features of 'Bio Lucia Eyelash Serum'

1. Ingredients Carefully Selected by a Certified Trichologist®

Luxuriously formulated with two types of keratin*1, hemeatin*2, Capixyl®*3, and human stem cell extract*4.

Repairs damage from within, promoting resilient, strong, and lustrous lashes and brows.

2. Pigmentation-Free Formula & 8-FREE Ingredients

Formulated without ingredients known to cause pigmentation, and free from 8 specific additives*5. A gentle formula designed with sensitive eye areas in mind.

3. 2-WAY Brush Designed for Easy Application

Features a unique dual-function brush combining an ultra-fine soft tip and a spiral brush.

Engineered for maximum ease of use, enabling precise and even application to delicate eye areas, short lashes, and even eyebrows.

*1 Soluble Keratin (Wool), Hydrolyzed Keratin (Wool) / Purpose: Moisturizer, Skin Conditioner

*2 Purpose: Skin Conditioner

*3 Acetyl Tetrapeptide-3 / Purpose: Protective Agent, Red Clover Flower Extract / Purpose: Skin Conditioner

*4 Human Adipocyte Conditioned Medium Extract / Purpose: Moisturizer

*5 Ethanol, Silicone, Mineral Oil, Synthetic Fragrance, Talc, UV Absorber, Sodium Benzoate, Synthetic Dye

Product Overview

Product Name: Bio Lucia Eyelash Serum

Category: Eyelash Serum

Volume: 6mL

《 Bio Lucia Official Stores 》

Official Website: https://biolucia.jp/

Amazon: https://www.amazon.co.jp/stores/TOP/page/8180982C-99E4-4235-B4B6-79CCF532A0CB

Rakuten: https://www.rakuten.co.jp/biolucia/

Qoo10: https://www.qoo10.jp/shop/socialtech

Yahoo! Shopping: https://store.shopping.yahoo.co.jp/socialtech/

Official Instagram: https://www.instagram.com/biolucia_official/

Official X: https://x.com/biolucia_chapup

Contact

Email: [email protected]

FACT BOX

  • Source: PR TIMES
  • Category: New Product
  • Organizations: Amazon