Approximately 3 weeks after IZAWA TOWEL CO.,LTD.’s in-house brand “Towel Research Institute” opened its official Rakuten Ichiba shop, it ranked No. 1 in the daily face towel rankings. The top-ranked product was its signature “#003 [Volume Rich] Face Towel.”
IZAWA TOWEL CO.,LTD.’s “Towel Research Institute” opened its official Rakuten Ichiba shop on 24 August 2026 and reached the top of the daily rankings within a short period. It ranked No. 1 in the face towel category, with the relevant ranking period covering approximately 3 weeks from its start date.
The No. 1 product was the “#003 [Volume Rich] Face Towel,” measuring approximately 34 × 85 cm. It is presented as the brand’s best-selling product, featuring hotel-quality thickness, a soft feel, and high absorbency.
Launched in 2019 as an Amazon-exclusive brand, “Towel Research Institute” has grown by offering unconventional quality at an affordable price. It ranked No. 1 in Amazon’s best-seller rankings for 4 consecutive years, and cumulative sales have exceeded 40 million towels.