Damaged-hair repair near Sinchon Station: Demon Hair Sinchon

In short

Demon Hair Sinchon is a hair salon near Sinchon Station in Seodaemun, Seoul, offering one-on-one hair consultations and One Kill Botox Repair Care. Step-by-step care helped my dry, split bob feel smooth and tangle-free after blow-drying. Verdict: a satisfying choice for calming and adding shine to damaged hair.

Shiny, swishy bob hair after One Kill Botox Care

Good to know

Location
2 minutes on foot toward Hyundai Department Store from Exit 1 of Sinchon Station
Stylist
Manager Taeyeon (closed Wednesdays)
Care
One Kill Botox Repair Care

as written by the visitor on Sep 10, 2026

Whenever the seasons change, my hair gets so dry and fluffy, with split ends that snap every time I brush it—looking in the mirror was seriously stressfulㅠㅠ For a bob or layered cut to look pretty, strong nourishment and shine in the hair itself are absolutely essential, right!

I searched hard for a Sinchon repair clinic that would pack damaged hair full of protein from the inside out, then got a proper One Kill Botox Care treatment after a one-on-one customized consultation with Manager Taeyeon at Demon Hair Sinchon Branch right by Sinchon Station, haha. Let me tell you about the process that brought my broom-like hair back to a swishy, seaweed-smooth texture!

Shiny, swishy bob hair after One Kill Botox Care

Finding Demon Hair Sinchon Branch from Sinchon Station

  • Demon Hair Sinchon Branch was a 2-minute walk straight toward Hyundai Department Store from Exit 1 of Sinchon Station.
  • My stylist was Manager Taeyeon, who is off on Wednesdays.
  • After One Kill Botox Repair Care, hair that used to tangle even in the breeze from a handheld fan became soft enough to slide smoothly through my fingers!
Location guide for Demon Hair Sinchon Branch
Exterior and sign of Demon Hair Sinchon Branch
Entrance to Demon Hair Sinchon Branch

Being so close to the station made it super convenient to get there by public transit, haha. When I went up to the building, the fresh blue Demon Hair sign greeted me right away! Opening the door revealed a bright, spacious white interior; sunlight poured through the floor-to-ceiling windows, giving it a lovely open feel, and everything from the waiting area to the styling seats was laid out comfortably. Even on a weekend afternoon there were quite a few customers, so I could really tell it was a popular salon, haha. The staff and Manager Taeyeon welcomed me so brightly and warmly that I felt great right away :)

My one-on-one hair consultation with Manager Taeyeon

Hair consultation with Manager Taeyeon
Bob hair condition assessment consultation

Once seated, I had a thorough one-on-one hair assessment with Manager Taeyeon! I frequently use a curling iron and blow-dry, so my ends were badly heat-damaged and dryㅠㅠ Rather than a temporary treatment that merely coats the surface smooth, she recommended One Kill Botox Repair Care, which rebuilds the hair’s inner structure from the ground up, haha.

One Kill Botox Care products and consultation
Demon Hair care menu price list

The price list was systematically divided into options from scaling scalp care to safety care and repair care. I heard that One Kill Botox is their signature treatment, with aroma and highly concentrated peptide ingredients to care for dry, split damaged hair and make it springy! She also said the base texture needs to be good for the curls and lines to come alive when I get a lightly layered cut later, so I trusted her and decided to go ahead straight away, haha.

How did the One Kill Botox Care proceed?

Step 1: Deep cleansing and clinic shampoo

Deep cleansing care in the shampoo room
Scalp and hair shampoo process

We moved to the cozy shampoo room and began with deep cleansing to wash away dust and silicone buildup from my scalp and hair! Her touch felt so refreshing—she shampooed while carefully massaging every corner of my scalp, and all my fatigue just melted away, haha. After rinsing with lukewarm water, she created the perfect foundation for the nutrients to absorb deeply into my hair.

Steps 2–3: Volume shampoo and highly concentrated cream

One Kill Botox Volume Shampoo product
Applying One Kill Botox Cream
Protein cream care for damaged hair

Back at my seat, the serious repair care began! First, the One Kill Botox Volume Shampoo (07) line supplied the first dose of protein formulated for damaged hair, then One Kill Botox Cream (07) was carefully worked into every strand, haha. I could actually feel the stiff hair soaking up moisture and becoming bouncy at my fingertips as her hands moved through it! Since it is a gentle premium line that does not strain the hair, there was no harsh chemical smell—just a subtle, pleasant scent. Pure relaxation :)

Step 4: Low-temperature iron heat treatment for absorption

Low-temperature flat-iron heat treatment for absorption

After the protein cream was applied, heat treatment using a special low-temperature flat iron followed so the nutrients could penetrate into the hair! Manager Taeyeon divided it into thin sections and gently pressed them while keeping the temperature just right, haha. I was told this is the key step that helps protein and moisture adhere between the hair cuticles. It was warm and comfortable, so I spent the time feeling wonderfully relaxed.

Finishing heat-treatment process

Still relaxing during the finishing heat treatment, haha.

Step 5: Water mist and finishing touch

One Kill Botox Water mist care
Water mist sprayed over all of the hair
Hair smoothing at the end of the clinic treatment

After the final rinse, she generously misted One Kill Botox Water (08) all over my hair! I heard this finishing treatment uses an aroma and peptide complex to form a moisture barrier on the surface, preventing nutrients from escaping while maximizing shine and elasticity, haha.

Finishing care with a moisture-protection barrier
Smoothed hair before blow-drying

As she blow-dried it, from the very moment the air hit my hair, the swishy weight felt completely different—substantial and healthy!

My bob’s changed texture after blow-drying

Before-and-after comparison of bob hair treatment
Glossy bob hair after blow-drying

The instant I looked in the mirror after the blow-dry, I had to cover my mouth in amazement, haha. My damaged hair, whose rough ends had stuck out messily, settled down calmly with a satisfying weight, and a bright angel ring of shine appeared. When I ran my fingers through it, there was zero catching or tangling—it slipped like silk, and I was so movedㅠㅠ With texture this healthy, I think the curls of a layered cut will look much more elastic and clean when I style it later! Manager Taeyeon was the best, too—she kindly went over home-care tips for keeping the shine lasting when I blow-dry at home, haha.

Final thoughts on damaged-hair repair care

Hair texture after One Kill Botox Care

The One Kill Botox Care clinic at Demon Hair Sinchon gave my dry, split hair the perfect CPR—I was totally satisfied! If you are looking near Sinchon Station for a specialist salon that does beautiful layered cuts or proper damaged-hair repair care, make a reservation with Manager Taeyeon at Demon Hair Sinchon Branch. From the detailed customized consultation to the attentive touch, everything was lovely :)

Finished clinic treatment at Demon Hair Sinchon Branch

Where it is

Demon Hair Sinchon Branch데몬헤어 신촌점

87-4 Sinchon-ro, 2nd floor, Building Na, Seodaemun-gu, Seoul, South Korea서울특별시 서대문구 신촌로 87-4 나동 2층

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