What is the duration of the Hair Theory Lab® 1st anniversary campaign?

It will be held from May 28, 2026 (Thursday) to June 3, 2026 (Wednesday).

What is the special price during the campaign?

The regular first purchase price of the 'Serum In Shampoo & Treatment Set' will be a special price of 6,600 yen (tax included), down from the usual 7,480 yen (tax included).

What are the features of Hair Theory Lab® products?

Based on hair science research and development, they are formulated with a high concentration of the ingredient 'Tostear®' to repair hair frizz and damage.

What is the subscription continuation rate for the product?

The subscription continuation rate is recorded at 95.6%.

Is there any connection with Kobe University?

We collaborate with the Graduate School of Science and Technology Innovation at Kobe University to conduct product validation tests.

Hair Theory Lab® Celebrates 1st Anniversary with Special Campaign Following 22 Major Beauty Awards

Published May 29, 2026 10:47 PM ・ Updated Jun 14, 2026 4:12 AM ・ 6 min read ・ Source: PR TIMES

Hair Theory Lab®, a hair care brand by dr365, celebrates its 1st anniversary with 22 major beauty awards and a 95.6% subscription retention rate. To mark the occasion, a special limited-time campaign will be held from May 28 to June 3, 2026, offering special pricing on subscription packages.

Hair Theory Lab®, a hair care brand born in September 2024 from dr365 (based in Minami-Aoyama, Minato-ku, Tokyo), specializes in research and development based on hair science in collaboration with specialized research institutions.

The 'Hair Theory Lab Serum-in Shampoo & Treatment' has now reached its 1st anniversary and has won a cumulative total of 22 'Best Cosmetics' awards.

Furthermore, the brand continues to receive strong support from many customers, maintaining a subscription retention rate of 95.6%.

To commemorate this 1st anniversary and invite even more people to experience Hair Theory Lab®, a special limited-time campaign will be held from May 28 (Thu) to June 3 (Wed), 2026.

Key Award Titles

- 'Biteki' Beauty Experts' Choice, 1st Half 2025 Best Cosmetics, Lifestyle Category, In-bath Hair Care: 1st Place - 'otona ROSY' 1st Half 2025 Best Cosmetics, HAIR IN BATH Category: 1st Place - 'Biteki' 2025 Annual Best Cosmetics, In-bath Hair Care: 2nd Place - 'LDK the Beauty' Shampoo & Treatment ABC Evaluation 100: 2nd Place - 'MAQUIA' 1st Half 2025 Best Cosmetics, Shampoo & Conditioner Category: 3rd Place - 'VoCE' 1st Half 2025 Best Cosmetics, In-bath Hair Care Category: 3rd Place

1st Anniversary Limited-Time Campaign

[Period] May 28 (Thu) – June 3 (Wed), 2026

[Campaign Details] The first-time subscription price for the 'Serum-in Shampoo & Treatment Set' will be offered at a special limited-time price. Regular Price: 7,480 JPY (tax incl.) -> Special Price: 6,600 JPY (tax incl.) (880 JPY OFF)

Product Information

Fulfill 'hair density' with Tostear®. Experience the fastest 'restoration'. Hair Theory Lab Serum-in Shampoo & Treatment (300mL)

Subscription: 7,480 JPY (tax incl., free shipping) *From the 2nd shipment, a refill type (250mL) will be delivered for 6,160 JPY (tax incl.) Regular purchase: 8,800 JPY (tax incl., free shipping)

Hair Theory Lab Serum-in Shampoo 300mL Wash and repair with beauty essence foam. Dense foam ensures a treatment-like silky finish.

1. Luxuriously formulated with carefully selected beauty ingredients. 2. Contains rice-derived sebum care ingredients. 3. Selected surfactants with low residual properties.

Hair Theory Lab Serum-in Treatment 300mL A restoration experience remembered by your fingertips. Shine that melts away, woven by Tostear®.

1. Formulated with approx. 90% beauty serum ingredients. 2. Contains plant-derived phyto-cuticle. 3. Dense cream texture wraps each hair strand to retain moisture.

Fragrance A fruity floral scent with fresh clarity and juicy fruit notes. A refreshing scent that lingers lightly, suitable for all genders.

TOP: Pear, Lychee, Bergamot MIDDLE: Peony, Freesia LAST: Musk, Patchouli, Amber

Empirical Experiments at University Research Institutions We are conducting product empirical experiments in collaboration with the Kobe University Graduate School of Science, Technology and Innovation.

FACT BOX

Source: PR TIMES
Category: キャンペーン

Hair Theory Lab® Celebrates 1st Anniversary with Special Campaign Following 22 Major Beauty Awards

⚡ Key Points