Issue · Jul 2026New this week: evidence-first longevity readsThe newsletter — one essay, Sunday morningsArchive access — every article, free to readPodcast coming soon — NotebookLM sessionsLetters from readers — reply to any emailIssue · Jul 2026New this week: evidence-first longevity readsThe newsletter — one essay, Sunday morningsArchive access — every article, free to readPodcast coming soon — NotebookLM sessionsLetters from readers — reply to any email

Makeup &
Skincare.

Makeup and skincare, evidence-checked — ingredients, routines, and claims judged on dermatological science, not packaging.

In this section
12longreads
Newest
Apr 282026
Section since
2026archive
Reading time
~8min average
This week's longread

Copper Peptides vs. Retinol: Which One Wins the Anti-Wrinkle Battle?

Retinol has stronger wrinkle evidence; copper peptides offer repair support for irritation-prone skin.

Read the articleHL Benefits Editorial · Apr 28, 2026
Copper Peptides vs. Retinol: Which One Wins the Anti-Wrinkle Battle?Photograph · HL Benefits
§ 01

The latest, in long form.

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The 8 Best Peptide Serums Dermatologists Actually Use on Their Own Skin in 2026
CoverMakeup & Skincare

The 8 Best Peptide Serums Dermatologists Actually Use on Their Own Skin in 2026

A derm-vetted shortlist of peptide serums, with evidence notes, layering advice, and realistic expectations.

Apr 28
Why Peptide Eye Creams Outperform $200 Serums for Crow's Feet
Makeup & Skincare

Why Peptide Eye Creams Outperform $200 Serums for Crow's Feet

Peptide eye creams can beat luxury serums when the formula supports hydration, barrier comfort, and realistic wrinkle care.

May 2
Matrixyl 3000: The Anti-Aging Peptide That Quietly Made It Into Every Drugstore
Makeup & Skincare

Matrixyl 3000: The Anti-Aging Peptide That Quietly Made It Into Every Drugstore

Matrixyl 3000 has real peptide science behind it, but the best claims still need context before you buy another serum.

May 2
The Peptide Skincare Routine That Reversed Sun Damage in 12 Weeks
Makeup & Skincare

The Peptide Skincare Routine That Reversed Sun Damage in 12 Weeks

Peptides can improve texture, hydration, fine lines, and barrier comfort, but sunscreen is what makes a 12-week repair routine work.

May 3
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Companion sections.

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Health

A companion section to makeup & skincare, with its own evidence-led reading list.

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79 articles · ongoing

Food & Nutrition

A companion section to makeup & skincare, with its own evidence-led reading list.

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Weight Loss

A companion section to makeup & skincare, with its own evidence-led reading list.

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§ 03

Definitive guides.

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Why Peptide Moisturizers Beat $300 Creams (According to Cosmetic Chemists)
Guide

Why Peptide Moisturizers Beat $300 Creams (According to Cosmetic Chemists)

Peptide moisturizers can beat luxury creams when the formula is transparent, stable, and built for delivery rather than markup.

May 3
The "Snail Mucin Peptide" Trend: K-Beauty's Anti-Aging Weapon Decoded
Guide

The "Snail Mucin Peptide" Trend: K-Beauty's Anti-Aging Weapon Decoded

Snail mucin has real repair signals, but the anti-aging hype needs careful decoding before you buy.

May 4
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On our desk this week.

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