Skip to main content
Trendy hairstyles for women over 50 in 2026.
Donald Trump discusses maternal healthcare initiatives.
Queen Camilla and Kate Middleton at an event.

Beauty

4 'Irritating' Hair Care Ingredients To Never Use Because They 'Interfere' With Your Hormonal System And Are 'Extremely Drying'

March 15, 2025 by Mariam Qayum
shefinds | Beauty
Featured image

When it comes to hair care, the ingredients in your shampoos, conditioners, and styling products matter more than you think. Some common additives can disrupt your hormonal balance, leading to issues like hair thinning, scalp irritation, and even overall health concerns. Others are extremely drying, stripping your hair of essential moisture and leaving it brittle and lifeless. Knowing which ingredients to avoid can help protect both your hair and your well-being.

We reached out to board-certified dermatologist Dr. Anna Chacon to learn more about these toxic hair care ingredients. Below, with Chacon’s help, we’ve compiled a list of four dangerous (and unfortunately common) ingredients to look out for the next time you look to buy hair care products like shampoo (check out the best shampoos for hair growth!), conditioner, hair spray, mousse, and more. She said to avoid hair care products with ingredients like sulfatesparabensalcohols, and silicones. Read on to find out more!

house unit img
Women Are Swapping Their Boring Water For This Ice Pop Electrolyte Mix!
Pink background with dry shampoo bottle and spray.

1. Sulfates

Sulfates are cleansing chemicals that are found in household cleaners, detergents, and even shampoos. Specifically, there are two main types of sulfates used in shampoo: sodium lauryl sulfate and sodium laureth sulfate. These sulfates are used to remove oil and dirt from your hair. But, people who experience thinning hair or a sensitive scalp can only exacerbate the issue with sulfate-based hair care products.

"Particularly in those with sensitive skin, some types of sulfates, such as sodium lauryl sulfate, can cause severe scalp irritation. In certain persons, sulfates may contribute to hair damage and hair thinning if they irritate the scalp enough," Chacon explains.

Person applying hair mousse with hands.

2. Parabens

Parabens, on the other hand, are chemical preservatives. They are used to prevent the growth of mold and bacteria in health and beauty products. Most parabens are cheap and effective. They extend the shelf life of many cosmetics, skincare products, and even hair care products. Unfortunately, excessive parabens in hair care products that are designed to be absorbed through your skin aren't necessarily good for thinning hair.

"Often used as preservatives in cosmetic goods are compounds called parabens. To stop the growth of dangerous bacteria and mold, they are used in cosmetics," Chacon notes. "Parabens, however, have the potential to interfere with the hormonal system's regular operation in both men and women, which could promote hair loss."

Placeholder image for lifestyle content.

3. Alcohols

There are two main types of alcohol that are commonly used in hair and beauty products: short-chain alcohols and long-chain fatty alcohols. Short-chain alcohols are known for their fast-drying properties. Long-chain fatty alcohols are oily in nature and have moisturizing properties. If used in excess, short-chain alcohols in hair care products are extremely drying to your strands and your skin. Chacon says, "Alcohol is an ingredient in some home and hair care products that, when used excessively, can harm hair." Noted!

Woman shampooing her hair in a bathroom.

4. Silicones

Silicones in hair care products form a waterproof coating around your hair cuticle. This will keep your hair hydrated from within. It also prevents moisture from causing frizz. Silicones are also used to protect your hair from head damage caused by styling tools like blow dryers and straighteners.

This ingredient in hair care products can cause hair loss because of the way they coat the hair. If hair strands are coated in silicone, it cannot absorb nutrients from the scalp. The hair can then become damaged, thin, and break off.

"Hair loss may result from the accumulation of this silicone-based component. Water is repelled by silicone by its very nature," Chacon adds. "In order to give hair a smooth, silky appearance, dimethicone is also utilized to coat cuticles and trap moisture."

With so many products and ingredients out there on the market, keeping it as simple as possible is your best bet to ensure you know exactly what's going on your scalp! When you have thinning hair and want to encourage hair growth, it's all about finding the right hair care products that are gentle and nourishing. And if you're still suffering from hair loss, there are plenty of hairstyles you can try that will hide gaps in your hairline.

Author:

Editorial Assistant

Mariam is an Editorial Assistant and writer at SheFinds, covering everything from style and beauty to health and wellness. Splitting her time between New York and Philadelphia, she brings a sharp eye for trends and a passion for storytelling to the digital space. With a strong editorial background, she’s always exploring the latest in fashion, skincare, and wellness. When she’s not writing or pitching, you’ll find her in the kitchen experimenting with new recipes or planning her next travel adventure. You can reach Mariam at mariam@shefinds.com.

Woman applying sunscreen for sun protection outdoors.
The viral Italian bob hair trend for summer 2026.
Nina Ubhi demonstrating concealer application on YouTube.
Six beauty habits causing skin inflammation unknowingly.
Older woman performing her skincare routine.
Woman enjoying a cup of spearmint tea for beauty benefits.
Hair mistakes that may age you, according to stylists.
Anti-aging skincare advice from Arielle Lorre and Dr. Anthony Youn.
Best foundation types for mature skin to minimize wrinkles.
Butterfly haircut inspiration from Instagram by The Studio.
Fresh haircut styles for a polished look in 2026.
Pouring shampoo into hand for hair washing.
Everyday habits that could accelerate collagen breakdown.
Beauty-related image from Shutterstock showcasing vibrant aesthetics.
Best summer scents and fragrances for 2026 beauty trends.
Makeup tips from beauty expert Nikol Johnson on YouTube.
Common skincare mistakes for women over 40 highlighting fine lines.
Haircuts and hairstyles to subtly lift the face and hide jowls.
Pouring vitamin D into palm for skincare benefits.
Hailey Bieber's haircuts that add volume to fine hair.
Woman applying sunscreen for sun protection outdoors.
The viral Italian bob hair trend for summer 2026.
Nina Ubhi demonstrating concealer application on YouTube.
Six beauty habits causing skin inflammation unknowingly.
Older woman performing her skincare routine.
Woman enjoying a cup of spearmint tea for beauty benefits.
Hair mistakes that may age you, according to stylists.
Anti-aging skincare advice from Arielle Lorre and Dr. Anthony Youn.
Best foundation types for mature skin to minimize wrinkles.
Butterfly haircut inspiration from Instagram by The Studio.
Fresh haircut styles for a polished look in 2026.
Pouring shampoo into hand for hair washing.
Everyday habits that could accelerate collagen breakdown.
Beauty-related image from Shutterstock showcasing vibrant aesthetics.
Best summer scents and fragrances for 2026 beauty trends.

Beauty

Summer is my favorite season. If I could bottle up ...

Makeup tips from beauty expert Nikol Johnson on YouTube.
Common skincare mistakes for women over 40 highlighting fine lines.
Haircuts and hairstyles to subtly lift the face and hide jowls.
Pouring vitamin D into palm for skincare benefits.
Hailey Bieber's haircuts that add volume to fine hair.