Devices & Injectables
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Devices & Injectables Pigment lasers are sorted by wavelength and pulse, not by brand name
Two numbers decide what a pigment laser does: which wavelength the light is, and how long the pulse lasts. Melasma is the exception that stops any of them being ranked.
6 September 2026
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Devices & Injectables A unit of botulinum toxin is not a unit of anything else
Units look like a currency and are not. Each maker defines the unit against its own potency assay, so a price per unit means nothing until the brand is named.
6 September 2026
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Devices & Injectables The five seconds before the needle: what a box of filler can and cannot prove
A lot number ties the object in the room to a manufacturing batch. It is worth asking for, and it is a smaller claim than the word "verified" suggests.
6 September 2026
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Devices & Injectables What is actually in the syringe: reading a Korean clinic’s injectables shelf
The brand names collapse into four families, and the family answers what the brand will not: how long it lasts, what it costs to be wrong, and whether it can be undone.
21 August 2026
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Devices & Injectables Twelve machines, four mechanisms: sorting one clinic’s tightening floor
A Seoul clinic supplied its full machine list. Twelve devices collapse into a handful of mechanisms, and two questions, which layer and what consumable, sort the lot.
21 August 2026
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Devices & Injectables Ultherapy PRIME, Shurink Universe and Thermage FLX are not three versions of the same thing
Two of them are ultrasound and one is radiofrequency, they act at different depths, and the depth decides whether the machine can do what you were told it does.
19 August 2026