Jamsil eyelash salon with added lash density: Rose Lash 9–12mm mix

In short

Rose Lash is an eyelash extension salon in Songpa, Seoul, a 5-minute walk from Exit 4 of Jamsilsaenae Station. At Rose Lash the writer got C-curl flat lashes in 0.20mm with a 9–12mm mix plus an added-density fill, for eyes that looked full but not overdone, and the lashes were still almost all in place a week later. Rose Lash matched the request exactly, and it is where a longtime lash-extension nomad finally settled down.

Lash extensions still holding up one week later

Good to know

Location
5F, 21 Olympic-ro 12-gil, Songpa-gu, Seoul (5 minutes from Jamsilsaenae Station Exit 4)
Parking
No parking on site; use nearby paid lots
Treatment received
C-curl flat lashes, 0.20mm, 9–12mm mix + added density
Design
9mm at the inner corner, 10 and 11mm in the middle, 12mm at the outer corner
Stylists
2 head directors, 9 years of lash extension experience
Included
Aftercare guidance and a lash brush

as written by the visitor on Sep 17, 2026

Main image of the eyelash extension result at Rose Lash, Jamsil

I'm a fashion and beauty blogger. I hate doing makeup, so I get lash extensions regularly — my eyes look defined and I barely need to do anything else! I always prefer a shop that just nails my preferred style without much explaining, and recently I visited Rose Lash, a great spot for eyelash extensions in Jamsil, and it turned out exactly the way I wanted! Writing this review with a very happy heart :)

Rose Lash / 5F, 21 Olympic-ro 12-gil, Songpa-gu, Seoul

Building entrance of Rose Lash near Jamsilsaenae Station

Where is Rose Lash, and is there parking?

Rose Lash, a great spot for lash extensions in Jamsil, is just a 5-minute walk from Exit 4 of Jamsilsaenae Station, so it's very convenient by public transit. There's no parking on-site, so you'll need to use a nearby paid lot.

White-toned interior of Rose Lash

Inside Rose Lash: a white-toned studio with two head directors

Walking in, the clean, spacious white interior totally won me over! One reason I'd recommend this as a lash extension shop in Jamsil is that there are two head directors, so booking is smooth, and each has 9 years of lash extension experience — no wonder lash nomads end up settling here!!

Mirror selfie zone inside Rose Lash

There's a mirror selfie zone on one side, so of course I took a mirror selfie :) I mentioned I get lash extensions regularly, right? I like trying different shops rather than sticking to one, so I've been to quite a few. But honestly, very few have satisfied me as much as Rose Lash near Jamsilsaenae — satisfying enough that I'd confidently recommend it. After being a lash nomad for so long, this felt like the moment I finally settled down.

Consultation area at Rose Lash before treatment

What the writer asked for at the consultation: C-curl, 11mm, slightly dramatic

I had a thorough consultation with the director first. She was so pretty and so, so kind — I thought she might be an angel >< I have a style I always stick with. I only said C-curl, 11mm, slightly dramatic, and the director made it beautifully perfect on her own. This shop isn't famous for repeat customers for nothing~~ A lot of shops say they'll follow your request but end up doing their own style anyway. Here, they reflected exactly what I wanted, which is why my satisfaction was so high.

C-curl flat lash extension procedure in progress

The treatment at Rose Lash: C-curl flat lashes 0.20mm plus added density

The style I got this time at Rose Lash, a great spot for lash extensions in Jamsil, was C-curl, flat lashes, 0.20mm, in a 9mm–12mm mix. On top of that, they added extra volume to complete exactly the moderately glamorous yet full look I love♥

Lash brush and aftercare instructions given after treatment

They also gave me aftercare instructions and a lash brush.

Before photo of eyes before lash extensions
After photo of eyes following lash extensions

Before and after, and how the lashes held up one week later

Before / after comparison photos. Compared to my thin, weak-looking lashes before, they transformed into a soft, glamorous lift! I felt zero discomfort the entire time, and it's been a week now — the retention is so strong it's honestly impressive..

Close-up of eyes with 9–12mm mix lash extensions
Flat lash line extended longer at the outer corner

They did 9mm at the front, 10–11mm in the middle, and 12mm at the outer corner, getting longer toward the back — this is the design I always go for. They matched my exact preference beautifully, and the flat lashes were so soft they felt just like my own lashes.

Fuller eyes after extra volume was added
Close-up of subtly defined eyes

Can lash extensions alone really make my eyes this pretty.. I don't love anything too flashy, but the director at Rose Lash, a great spot for Jamsil lash extensions, gave me just the right definition with a subtle glamour, which is why this became my forever shop♥

Lash extensions still holding up one week later
Photo checking retention one week after the extensions

Since I get extensions often, all my friends know about it, and this time they especially said, "This is seriously the best it's ever looked!" — which made me so happy haha. To show the retention, I filmed a video a week later, and honestly the lashes are still on pretty much as they were.. The director's skill is truly the best b

Selfie taken while out after getting lash extensions

I was out for a meal and felt like I looked good for some reason, so I snapped a selfie haha. I finally found my forever lash shop.. Rose Lash, a great spot for eyelash extensions in Jamsil (づ ̄ ³ ̄)づღ

Where it is

Rose Lash로제래쉬

21 Olympic-ro 12-gil, Songpa-gu, Seoul, South Korea, 5th Floor서울특별시 송파구 올림픽로12길 21 5층

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