[70% of people worried about their father's appearance] Father's Day gift to save from lack of volume, flat hair, and summer stickiness on sale from June 4. Add 'youthful & clean' look with salon-exclusive pH 5.5 shampoo!

T・J Co., Ltd. (HQ: Yotsuya, Shinjuku, Tokyo; Representative: Noboru Ishibashi) will launch a Father's Day campaign on Rakuten Ichiba starting June 4, 2026, featuring the 'TJ pH 5.5 Shampoo & Treatment Set' at special prices.

Majority of families notice it. 'Have you ever worried about your father's hair volume?' Survey Period: May 20–May 26, 2026 Results: Yes 70.7%, No 29.3% An official social media survey revealed that many families have real concerns about their fathers' hair and scalp health (lack of volume, stickiness, odors, dandruff). These issues become particularly prominent in June due to humidity and early summer sweat.

Giving a 'youthful and clean' look for Father's Day. We propose giving professional-grade care instead of conventional gifts.

Why does father's hair get flat and sticky? Salon-quality hair care inspired by 'pH 5.5'. Many men use incorrect care methods. Professional brand 'Jouvence (TJ)' focuses on 'pH 5.5 weak acidity' to bring hair and scalp to an ideal state. ◯Secret to volume: The astringent effect of weak acidity pH 5.5 firms loose scalp, lifting pores to boost hair volume. ◯Fundamental solution for stickiness, dandruff, and odor: Washing with acidity matching the scalp regulates sebum secretion, maintaining cleanliness.

~Products~ TJ pH 5.5 Shampoo & Treatment [300ml Set] / [500ml] TJ Repair Mask: Use 3 times a week. Contains high-concentration protein components. Ingredients: 4 types of protein and 7 plant extracts.