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Pads and cotton buds with makeup that has been removed

Feature

Consumers question safety of parabens and PFAS in personal care products amid health concerns

Growing research into cosmetic ingredients has been raising safety concerns among consumers. Bárbara Pinho explores the future of safer chemistry amid the ‘clean beauty’ trend 

Fossilised skull of  Australopithecus sediba, showing the teeth clearly

Feature

How stable isotope analysis reveals what ancient humans and Neanderthals ate

Analytical chemistry can tell us what our ancestors ate thousands – or even millions – of years ago. Rachel Brazil gets her teeth into the evidence

Medicines

Business

Pharma sector jolted by unpredictable US tariffs policy

Firms face tough decisions amid Trump’s threatened taxes on pharmaceutical imports and ‘capricious’ approach to tariffs

Donald Trump

News

Trump’s latest rule on research grants sidelines scientific merit and adds bureaucracy, academic groups warn

A new White House directive will see political appointees vet federal research funding decisions

Structure

Research

Molecular motor stitches together catenane rings

The light-powered system produces interlocked rings, without the need for templating strategies

Mental map streamlined into two steps

Ask probing questions to work effectively in diverse teams

By

Sometimes, what you really want may not be what you say you want

Fountain pen nib, writing

Letters: September 2025

By

Readers discuss negative results, chemistry cold spots and more 

Cartoon of Neil putting sunscreen on his head

The clean beauty movement highlights wider challenges in balancing chemical risks and benefits

By

The ‘clean beauty’ movement exemplifies broader challenges in how we evaluate chemical safety, balancing risks against benefits while avoiding regrettable substitutions.

The conceptual challenge of consumer safety

By

Understanding causation can motivate product improvements

Ure’s steam bath

By

A heating device from a fan of heated disputes

What happens next after the plastic treaty negotiations fail once again?

By

Bold action may now be needed to secure agreement on plastic pollution

Exploring the potential uses of usnic acid

By

As well as protecting lichen, this compound could have medical and cosmetic applications – if toxicity concerns can be overcome

Understanding science comics

Careers

Comic book chemistry

The scientists using visual storytelling to communicate their work – and how you can do it too

Mental map streamlined into two steps

Opinion

Ask probing questions to work effectively in diverse teams

Sometimes, what you really want may not be what you say you want

News

Proposal to limit US student visa durations draws criticism

Academic groups warn that the proposed rule will deter talented researchers, harm the economy and add bureaucracy

Opinion

Letters: September 2025

Readers discuss negative results, chemistry cold spots and more 

Sponsored

Understanding science comics

Comic book chemistry

The scientists using visual storytelling to communicate their work – and how you can do it too

Fountain pen nib, writing

Letters: September 2025

Readers discuss negative results, chemistry cold spots and more 

A yellow paper plane flies away from a formation of white ones

Establishing your independent research career

Writing grant proposals is an important skills to develop – and there is plenty of support you can seek

Group photo

Teaching the next generation of cosmetic scientists

Trailblazing course receives accreditation from the Royal Society of Chemistry