Authorized Dealer
By Karte(BYKARTE) authorized retailer
Salon-exclusive hair care built on the idea of "born from the chart"
A regular in SEAM's popularity rankings
Main lines we carry
The line-up changes through the year. See every brand we carry →
Examples of items we carry
BYKARTE By Karte Repair Shampoo CH+
List price ¥4,180 incl. tax
BYKARTE By Karte Repair Shampoo FH+
List price ¥4,180 incl. tax
BYKARTE By Karte Repair Shampoo UH+
List price ¥4,180 incl. tax
Prices may change. Please check in store or on the members' online shop for the latest.
Where to buy BYKARTE: SEAM's authorized stores
- Store details →
SEAM GINZA
東京都中央区銀座1-8-19 ONE GINZA 3F
- Store details →
gallica / SEAM
東京都港区南青山3-15-15 Louis IIビル
- Store details →
SEAM SAPPORO
北海道札幌市中央区南2条西3-15-2
- Store details →
SEAM OSAKA HORIE
大阪府大阪市西区南堀江1-11-21 STORK南堀江 1F
- Store details →
SEAM NAGOYA
愛知県名古屋市中区栄5-16-19 ネイリックス 1F・2F
- Store details →
SEAM FUKUOKA
福岡県福岡市中央区大名2丁目1-53 BPRスクエア天神大名 1F
- Store details →
gigi SEAM
栃木県宇都宮市鶴田町419-7 インターパーク内
Availability and stock differ by store. Shopping-only visits are welcome.
By area Buy only, in Ginza Buy only, in Omotesando Buy only, in Sapporo Buy only, in Osaka Buy only, in Nagoya Buy only, in Fukuoka Buy only, in Utsunomiya
Hair Finder
See whether By Karte suits your hair now
in three minutes
From thickness, density, wave and your colour and straightening history
we suggest what suits you across all 197 brands
Prefer to see it in person? Visit a SEAM store (shopping-only visits welcome)
Retail-only visits and buying from the online shop
By Karte is a salon-exclusive brand. As an authorized retailer, SEAM welcomes buy-only visits — no treatment and no booking needed.
Register in store and you can reorder from our members-only online shop.
What salon-exclusive means ／ What is the Hair Finder? Salon-exclusive retailers: 7 stores nationwide Available in Tokyo
Frequently asked questions
- Are your BYKARTE products genuine?
- SEAM is a maker-approved authorized retailer. We carry BYKARTE only through official channels.
- Which stores sell BYKARTE?
- Available at all seven SEAM stores (Ginza, Omotesando, Sapporo, Osaka, Nagoya, Fukuoka and Utsunomiya). Stock varies by store and season, so please contact the store if you want to be sure.
- Can I buy BYKARTE online?
- You can buy it at SEAM's members-only online shop. Sign-up is handled in store only. On flea-market apps and unauthorized listings there is no way to tell whether an item is genuine or how it was stored, so we recommend an authorized retailer.
- I am not sure whether BYKARTE suits me
- What suits you depends on hair thickness, density, wave, and your colour and straightening history. SEAM's free Hair Finder suggests what fits your hair right now.
Related pages What salon-exclusive means TOKIO INKARAMI authorized retailer