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The CoLaz blog · page 3

Honest writing on aesthetic treatments,
from the clinicians who deliver them.

Practical guides to laser, skin, body, injectables and wellness, what treatments actually do, what they cost in real terms, what to expect from a session, and how to tell if a clinic is being straight with you.

All articles

A bright, clean CoLaz clinic reception with a clinician greeting a patient and a clearly displayed CQC and JCCP accreditation board on the wall

Aesthetics · 27 May 2026 · 9 min

How to choose an aesthetic clinic in the UK: 10 things to check

The UK aesthetic industry is largely unregulated. Here are the 10 things any patient should check before they book a treatment, from JCCP and Save Face registers to written consultation policy.

A CoLaz clinician in branded uniform calibrates an IPL handpiece next to a patient before a skin rejuvenation session in a calmly lit treatment room

Skin · 27 May 2026 · 8 min

IPL skin rejuvenation: what it treats and what it does not

IPL is excellent for sun spots, broken capillaries and rosacea redness, and weak for deep wrinkles, sagging or darker skin tones. Here is the honest scope of what IPL skin rejuvenation can and cannot do.

A CoLaz clinician holds a labelled syringe alongside an information sheet during a fat dissolving consultation in a calm clinic room

Body · 27 May 2026 · 8 min

Lemon Bottle fat dissolving: what it is and is it safe?

Lemon Bottle is one of the most talked-about fat dissolving injectables in the UK, and one of the most controversial. Here is what it actually contains, why the GPhC and overseas regulators have warned about it, and the position we take at CoLaz.

A CoLaz clinician in branded uniform holds an automated microneedling pen device next to a patient during a calm in-clinic treatment

Skin · 27 May 2026 · 8 min

Microneedling vs Dermapen: what is the difference?

Dermapen is one specific automated pen device; microneedling is the whole category. The difference is in needle motion, depth control, hygiene and what we use them for at CoLaz.

A CoLaz clinician marks the planned thread placement on a patient's lower face and jawline at a softly lit consultation room

Aesthetics · 27 May 2026 · 8 min

PDO thread lift vs surgical face lift: what is the difference?

A PDO thread lift gives a subtle lift for 12 to 24 months without surgery; a surgical face lift gives a dramatic lift for 7 to 10 years. Here is the honest comparison.

A CoLaz clinician in branded uniform reviews Profhilo before and after photographs with a patient at a calm consultation desk

Skin · 27 May 2026 · 8 min

Profhilo before and after: realistic results timeline

Two sessions, four weeks apart, with peak results around weeks 8 to 12. Here is what the Profhilo before and after timeline actually looks like, week by week, and how we plan it at CoLaz.

A CoLaz clinician prepares a PRP syringe with concentrated platelets in a calmly lit treatment room before a hair loss session

Hair loss · 27 May 2026 · 8 min

PRP for hair loss: how many sessions and how long do results last?

Three to four initial PRP sessions, then a top-up every three to six months, is the standard protocol. Here is what the published trials show and how we plan a PRP course at CoLaz.

A CoLaz clinician carefully sets up an IV vitamin drip for a relaxed patient seated in a softly lit treatment room

Wellness · 27 May 2026 · 8 min

What do IV vitamin drips actually do for you?

IV vitamin drips deliver fluids and nutrients straight to the bloodstream, bypassing the gut. The honest answer about what they do, what the evidence says, and how we approach them at CoLaz.

A CoLaz clinician holds a Hydrafacial handpiece across the forehead of a relaxed patient lying back on a clinic bed, in soft natural lighting

Skin · 27 May 2026 · 8 min

What does Hydrafacial actually do for your skin?

Hydrafacial is a three-step device facial using salicylic and glycolic acids, gentle suction and a hydrating serum. Here is what each step does, what the clinical evidence shows, and how it sits next to peels and microneedling.

A woman looking thoughtfully at her reflection in a soft, naturally lit bathroom mirror while running a hand along her jawline

Hair removal · 27 May 2026 · 8 min

Why does my chin hair keep coming back after waxing?

Waxing removes hair from the surface but leaves the follicle alive, and the chin is the area most likely to be driven by hormones. Here is what is really going on, and what works long-term.

A CoLaz clinician examines a patient's scalp under a magnifying lamp during a hair thinning consultation in a calm clinic room

Hair loss · 27 May 2026 · 8 min

Why is my hair thinning? Causes and the treatments that actually help

Hair thinning has more than one cause, and the right treatment depends on which cause is yours. Here is how the main types differ and the UK treatments that work for each.

A CoLaz clinician reassures a relaxed patient after a B12 injection in a calm treatment room

Wellness · 22 May 2026 · 6 min

Why do I feel worse after my B12 injection?

Most people feel a lift after a B12 shot, but a minority feel briefly worse. Here are the genuine clinical reasons, what is normal, and the warning signs that mean you should see a doctor.

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