Chemicals in Shampoo – Silicone

Lynn Yap

Founder & Cosmetic Chemist

Published April 20221 min read read

Many people are becoming deeply worried about what’s actually in their shampoos, especially which ingredients might be harmful to their health. Instead of feeling reassured, casual conversations with friends and colleagues, along with the flood of information online, have often made them more uneasy and confused. As these concerns spill over into my own discussions, I’m hearing more and more of these questions firsthand. In this series, we’ll take a closer look at the main types of chemicals commonly found in shampoos and explain what they are, why they’re used, and how they may affect us as everyday users.

Written by

Lynn Yap — Founder & Cosmetic Chemist

Lynn Yap has over 20 years of expertise in the personal hair care industry, having worked for multinational corporations before founding Clynn By Nature in Singapore in 2016. She formulates every product personally and writes all educational content on this blog based on her research and direct clinical experience.

← Previous

—

This is the first article

Ingredients

The Science of Shampoos – Sulfates

Keep reading

More from the journal

Does creatine cause hair loss?

Another 'creatine makes you bald' scare is going around. A cosmetic chemist separates the one small study that started this from the real picture, and explains who actually needs to worry about DHT-driven hair loss and who can drop the creatine anxiety for good.

Lynn Yap · Sep 2026 · 6 min read

Does Ozempic cause hair loss? honest answer

If you're losing hair on Ozempic or Wegovy, the panic is understandable, but the cause is usually not what you fear. A cosmetic chemist explains telogen effluvium, how it differs from genetic hair loss, and what actually brings the hair back.

Lynn Yap · Sep 2026 · 6 min read

Postpartum Hair Loss

Postpartum hair loss is a normal, temporary type of shedding that starts a few months after birth and usually resolves within 6–12 months. A cosmetic chemist explains the hormone-driven cause, what's genuinely useful during the shed, and the gentle, sulfate-free routine that helps protect fragile new hair.

Lynn Yap · Aug 2026 · 6 min read