How to choose a lash studio (and red flags to avoid)

They offer (or require) a patch test

A patch test applies a small amount of adhesive (or a few extensions) behind the ear or on the outer lashes 24–48 hours before your appointment to check for allergic reaction.

Not every studio insists on one, but a studio that refuses to do a patch test when you ask is a red flag. On Lash Atlas you can filter for studios that require patch tests.

Hygiene you can see

Look for disposable or properly sterilised tools, fresh under-eye pads for each client, and a technician who washes or sanitises their hands before touching your face. The lash bed should be clean, and the technician should never work on visibly irritated or infected eyes.

Qualifications and insurance

Reputable technicians hold a recognised lash extension certificate and carry professional indemnity insurance. Many display certificates in the studio — if you can't see any, ask. A confident, qualified technician will be happy to tell you where they trained.

They ask about your natural lashes

A good technician assesses your natural lashes before recommending a style. If your lashes are fine or sparse, they should steer you toward lighter options — not promise mega volume on lashes that can't support it. Technicians who say yes to everything are prioritising the sale over your lash health.

Pricing that makes sense

Full sets take 1.5 to 3 hours of skilled work. If a full volume set is advertised at a price that seems too good to be true, the studio is cutting corners — on time, on products, or on training.

Check what's included: some studios quote a low base price then charge extra for removal, premium curls or aftercare products.

Read the reviews — properly

Don't just look at the star rating. Read recent reviews for mentions of retention (how long the lashes lasted), comfort during the appointment, and how the studio handled problems. A studio with hundreds of detailed reviews is a much safer bet than one with a handful of generic five-star ratings.

Lash Atlas shows review counts alongside ratings, and lets you sort studios by rating or popularity so the well-established options rise to the top.

Quick red-flag checklist

Walk away if you see: no patch test offered when asked, clumpy or stuck-together lashes in their portfolio photos, strong chemical smells that make your eyes water during application, prices far below every competitor, or pressure to book immediately with a 'today only' discount.