
The truth about Sulfates (and why we don't use them)
July 16, 2024
Ever noticed your hair feeling dry, frizzy, or just plain blah after washing? You might be dealing with sulfate damage without even realizing it. These harsh chemicals lurking in your shampoo bottle could be wreaking havoc on your locks. But don't worry, we've got the scoop on why ditching sulfates for gentle cleansing is the best move for your mane. At Postcard, we know you want clean hair but you don't need to strip it bare. We're all about gentle, plant-based alternatives that'll leave your hair feeling fresh and fabulous without the nasty side effects.
These foam-making chemicals might leave your hair feeling squeaky clean, but at what cost? Let's dive into the world of sulfate-free shampoos and discover why they're a game-changer for your hair care routine.

What are Sulfates and why are they used in Shampoos?
Ever wondered what makes your shampoo so sudsy? Meet sulfates, the foam-making superstars in many hair care products. These cleaning agents are like tiny scrub brushes for your hair and scalp. But before you lather up, let's dive into what sulfates really are and why they're so popular in the shampoo aisle.
How to spot a sulfate
Sulfates are synthetic detergents derived from petroleum or plant sources. Keep an eye out for these sneaky ingredients:
• Sodium Lauryl Sulfate (SLS)
• Sodium Laureth Sulfate (SLES)
• Ammonium Lauryl Sulfate (ALS)
• Sodium Coco Sulfate (SCS)
These molecules are small enough to penetrate your hair and skin, which is why they're such effective cleansers.
Why Big Brands Love Them
You might be wondering why sulfates are so widespread. Well, it's simple: they're cheap and they work. Large corporations love sulfates because they're inexpensive to produce and give consumers that squeaky-clean feeling they associate with cleanliness. Plus, who doesn't love a good lather, right?
But here's the catch: while sulfates are great at removing dirt and oil, they can be a bit too good at their job. They can strip away natural oils, leaving your hair and scalp feeling dry and irritated. That's why our Beauty Kitchen has chosen to skip the sulfates and opt for gentler, plant-based alternatives. These cleansers get the job done without disrupting your scalp's natural balance.
The Consequences of using Sulfates long-term
Let's dive into the not-so-pretty side of sulfates.
Drying Out Your Crowning Glory
You know that squeaky-clean feeling after washing your hair? It might not be as good as you think. Sulfates can strip away your hair's natural oils, leaving it dry, brittle, and more prone to breakage. Over time, you might notice your once-luscious locks looking a bit lackluster and feeling like straw.
Irritating Your Scalp
If you've been battling an itchy, flaky scalp, sulfates could be the culprit. These harsh cleansers can disrupt your scalp's delicate balance, leading to irritation and even dermatitis for some folks. Nobody wants a constantly itchy head, right?
Fading Your Fabulous Colour
Spent a small fortune on that gorgeous hair color? Sulfates might be washing it down the drain faster than you'd like. These powerful detergents can strip away hair dye, making your colour fade quicker and lose its vibrancy.
Potential Health Concerns
While the jury's still out on some long-term effects, there's growing concern about sulfates' potential to be absorbed through the skin. Some studies suggest they might be linked to hormone disruption and other health issues (yikes!)
So, what's in sulfate-free shampoos instead?
At Postcard, we're all about gentle, plant-based alternatives that clean without the mean. Our secret weapon? Sodium coco isethionate – a gentle soul derived from coconuts that respects your hair's natural balance.
Will sulfate-free shampoo still get my hair clean?
Absolutely! Just because it doesn't foam up like crazy doesn't mean it's not doing its job. Sulfate-free shampoos clean effectively without stripping your hair of its natural oils. By choosing sulfate-free, you're not just pampering your hair; you're making a smart choice for long-term hair health. Trust us, once you go sulfate-free, you'll never look back!
PS: Curious about our sulfate-free range? Check out our online store for hair-loving options that'll leave you feeling fresh and fabulous.