October / November 2026

All features

52 pieces in this issue.

Youth culture and sensory design

A smaller bottle is not a smaller dose

SCCS opinions cap salicylates by age and by product type. Teen skin gets a mild keratolytic, a sunscreen that gets worn, and a handoff when the finding leaves cosmetics.

Julian Vance · 2026-11-21

Read

Youth culture and sensory design

The rabbit is a microphone with a return address

Voice that leaves the device for a default third-country cloud is a file, not a feature. Retailers want local processing, a deletion window, and the Cyber Resilience Act clock that has already started.

Lin Chen · 2026-11-20

Read

Youth culture and sensory design

PLA snaps. The leaf on the carton does not catch it.

Unmodified polylactic acid is brittle beside toy-grade ABS. Lignin stiffens the melt. Impact modifiers, drying, and EN 71-3 on the coloured compound are the buying lines.

Marc Oberst · 2026-11-19

Read

Youth culture and sensory design

A weight the hand can read, and a flasher that should have stayed off

Proprioception wants mass in grams and an edge inside EN 71-1. Plasticisers, small parts and a buzzer held to the ear undercut the object the carton is selling.

Marc Oberst · 2026-11-18

Read

Salon economics

The reel ends when someone answers with a real slot

Follower counts decorate a profile. Conversion sits in the first reply: service, price, and a link that opens a minute the diary can actually keep.

Lin Chen · 2026-11-17

Read

Salon economics

The backbar and the shelf are two businesses in one bottle

A professional size subsidises the hour. Retail has to turn. Clinics that share one item master watch both margins turn into a shortage at stocktake.

Lin Chen · 2026-11-16

Read

Salon economics

The multiple is a cleaned EBITDA. The teaser is scenery.

Funds buying aesthetic clinics across DACH in 2026 price a normalised result. Earn-out levers, the name, and who still holds medical leadership belong on the table before any letter of intent.

Lin Chen · 2026-11-15

Read

Salon economics

The empty chair at eleven is the whole algorithm

Idle minutes cost a wage whether the dashboard is beautiful or not. Yield can price a shoulder hour and run a waitlist. The regular's Tuesday stays on the regular's rate.

Lin Chen · 2026-11-14

Read

Interior, retail and packaging

Amber glass, a rational face, and type you can read at arm's length

Apothecary optics sell declared substances. They fail when INCI, PAO and batch sit at six point on a curved brown shoulder.

Lin Chen · 2026-11-13

Read

Interior, retail and packaging

The stria is the proof. Extra flint is the cover story.

Post-consumer glass carries colour swing, seeds and striae from an uneven melt. Hiding them buys virgin optics and a certificate the client cannot see.

Lin Chen · 2026-11-12

Read

Interior, retail and packaging

One percent of air is still air

A good piston pack keeps residual volume under one percent after priming. Zero oxygen is a sentence the filling line cannot keep, and a suck-back valve undoes the rest.

Julian Vance · 2026-11-11

Read

Interior, retail and packaging

Concrete looks severe. Speech in it smears.

A brutalist cabin needs absorption area, a wipeable wet zone and a lamp that can read skin. The moodboard arrives after those three lines are in the specification.

Lin Chen · 2026-11-10

Read

Performance and body tech

The boot moves blood. The app names it a flush.

Intermittent pneumatic compression can raise venous return and drop a calf measurement for a while. Lactate strips, lymphoedema claims and a one-sided swelling do not belong on the menu.

Marc Oberst · 2026-11-09

Read

Performance and body tech

Below ten degrees, the blood answers before the mood does

Cold water raises norepinephrine and can ease next-day soreness. Regular immersion straight after strength work can blunt the adaptation the session was built to start.

Marc Oberst · 2026-11-08

Read

Performance and body tech

Sweat raises the pH. The first wash decides the rest.

Eccrine glands make their own lactate, and high flow pushes skin-surface pH toward neutral. Athletes need a syndet near 5, dry clothes, and a shower that is not a scented event.

Dr. Claire Moreau · 2026-11-07

Read

Performance and body tech

The sting is salt. The serum level is a different door.

Magnesium chloride on warm skin irritates because it is concentrated and charged. Oral salts are the route that can raise a low store. The spray after training has a narrower job.

Marc Oberst · 2026-11-06

Read

Spa and neurocosmetics

The stone moves fluid. The bone stays where it was.

A light glide on oiled skin can shift a soft puffiness for hours. Petechiae report the dose. Fibroblasts in a culture dish are reading a different stretch.

Marc Oberst · 2026-11-05

Read

Spa and neurocosmetics

Scent reaches the amygdala early. The allergen file arrives later.

Smell can mark a cabin and slow a breath. Massage oils still need an IFRA category, and a fragrance-free alternative has to exist when someone asks.

Julian Vance · 2026-11-04

Read

Spa and neurocosmetics

Cold on the cheek, and the vessels that answer first

A short subzero pass can blanch skin and briefly quiet a soft puffiness. Raynaud, cold urticaria and an unclear nodule end the session before the nozzle moves.

Marc Oberst · 2026-11-03

Read

Spa and neurocosmetics

The peptide can quiet a sting. It cannot lift a mood.

Acetyl tetrapeptides and related sequences are screened on TRP channels. A cabin can score redness and burn. Endorphin copy on the carton stays a category error.

Dr. Claire Moreau · 2026-11-02

Read

Formulation and toxicology

Bemotrizinol after the sun has had its say

Photostable broadband filters hold a spectrum once the lamp has done its work. Reef-safe remains a slogan. SPF is a dose of 2 milligrams per square centimetre.

Dr. Claire Moreau · 2026-11-01

Read

Formulation and toxicology

Pentylene glycol is a hurdle. The challenge test is the proof.

Water-bearing emulsions still need a system after phenoxyethanol leaves the INCI. Glycols and organic acids hold a count only inside a pH window, and only when ISO 11930 says so.

Julian Vance · 2026-10-31

Read

Formulation and toxicology

The annex grew. The blotter did not get quieter.

Twenty-six fragrance allergens were the old core. The extended EU list, IFRA categories and oxidised terpenes now decide what a cabin may call fragrance-free.

Julian Vance · 2026-10-30

Read

Formulation and toxicology

Entry 78, and the glitter still sitting by the lamp

The REACH restriction on synthetic polymer microparticles is already in force. Rinse-off, leave-on and makeup run on different clocks, and the texture changes when the particle leaves.

Lin Chen · 2026-10-29

Read

Formulation and toxicology

Hemisqualane from the tank: silk, sugar, and a shorter chain

Yeast on cane sugar can deliver a hydrocarbon without a shark liver. Buyers still have to separate C15 from C30, then read peroxide value and odour on skin.

Julian Vance · 2026-10-28

Read

Podiatry and nail health

What a cured film actually lets through the nail

Hard keratin, a thin lipid fraction, and a polymer stack. Water-vapour numbers, lamp dose and a lifted edge separate the bottle from the chemistry.

Julian Vance · 2026-10-27

Read

Podiatry and nail health

Callus is a map: the shoe, the shear, the peak you did not move

Plantar hyperkeratosis follows repeated pressure and shear. Debulking without an orthosis or a wider shoe brings the horn back in about four weeks, on the same coordinate.

Marc Oberst · 2026-10-26

Read

Podiatry and nail health

Nails in chemotherapy: dry, unsealed, and agreed with oncology first

Taxanes, EGFR inhibitors and capecitabine mark the nail unit in different ways. Clinics work without trauma, hide nothing, and stay inside the window the treating team clears.

Dr. Claire Moreau · 2026-10-25

Read

Podiatry and nail health

Green nail in the salon: Pseudomonas, water, and the gel you leave off

Pseudomonas aeruginosa makes pyocyanin in a damp cleft under lifted gel. Dry work, single-use files and a physician handoff match the organism. Lacquer does not.

Marc Oberst · 2026-10-24

Read

Podiatry and nail health

Orthonyxie: the brace that spends months so the wedge can stay unbooked

Spring-steel and adhesive braces lift a nail edge out of the sulcus. A hallux plate grows about 1 to 1.5 millimetres a month. Surgery remains the last resort, after force and follow-up.

Marc Oberst · 2026-10-23

Read