Product insight Archives

Best lash growth serum 2026 comparison table

Growth treatment, lash growth serum, Lash health and beauty, Product insight

Best lash growth serum 2026: clinical evidence vs marketing claims

Lash growth serums extend hair follicle growth phase through prostaglandin analogues. 25% length increase vs 3% conditioning. Doctor-led clinical protocols.

Diagram of the Opti Labs lash protecting sleep mask

Apr 26

Product insight, sleep mask

By Dr Tom Walker

Best eye mask after blepharoplasty: protecting your recovery and optimising healing

Discover the best eye mask after blepharoplasty. Learn how to protect healing eyelids, avoid pressure, and improve recovery with a clinically designed, pressure-free sleep mask.

Apr 23

Lash health and beauty, Product insight, sun protect serum

By Dr Tom Walker

How your lash lift serum can prolong your lash lift results

Lash lift serums condition existing lashes but don't stimulate growth. Learn why you should protect your lash lift + tint from UV rays.

Client before and after photo showing lash and brow growth

Apr 19

Eyebrow health and beauty, Growth treatment, Product insight

By Dr Tom Walker

Brow growth serum: what actually works vs marketing claims

Discover the science behind brow growth serums. Clinical evidence shows only pharmaceutical treatments extend growth cycles. Learn what conditioning vs real growth means.

Model wearing the Opti Labs lash and brow protecting sleep mask

Apr 15

Eyebrow health and beauty, Lash health and beauty, Product insight, sleep mask

By Dr Tom Walker

Eye mask for lash extensions: protect your investment while you sleep

Eye masks for lash extensions prevent premature fallout. Learn which design features protect extensions and how to choose the right fabric.

Apr 13

Eyebrow health and beauty, Growth treatment, Product insight

By Dr Tom Walker

Best eyebrow growth serum UK: clinical evidence and actual results

UK eyebrow growth serums compared with clinical data. Not all brands show actual follicle growth vs conditioning. Doctor-led analysis of what works.

Apr 10

Growth treatment, lash growth serum, Product insight

By Dr Tom Walker

Best eyelash growth serum: what actually works vs marketing claims

Most lash serums only condition existing lashes. Learn which ingredients actually extend growth cycles for 25% longer, 106% thicker lashes.

Apr 03

Growth treatment, lash growth serum, Product insight

By Dr Tom Walker

Best Eyelash Serum 2026: Doctor-Led Clinical Results vs Marketing Claims

Discover which eyelash enhancers deliver real growth versus conditioning. Compare bimatoprost to peptides with clinical data and UK purchasing options.