How To Stop Frizz: Why Keratin Works Better Than Other Treatments
on April 02, 2026

How To Stop Frizz: Why Keratin Works Better Than Other Treatments

If you live somewhere humid, you already know the pattern. You wash your hair. You style it. You look good for about forty minutes. Then you step outside and it all falls apart.

Louise T., one of our customers, put it better than we could:

"I've dealt with my humid-zone hair for years. Now I don't wake up looking like I've been electrocuted."

If that's a familiar feeling, you've probably tried most of the usual suspects: anti-frizz serums that hold for an hour, deep-conditioning masks that work until your next workout, leave-ins that go greasy by mid-afternoon, creams that weigh everything down.

They all do something. None of them actually fix the problem.

Why most frizz products don't work

Frizz isn't a surface issue. It's structural.

Your hair has an outer layer called the cuticle — think of it as overlapping scales. When the air is humid, water molecules slip between those scales and push into the hair shaft. The cuticle lifts. The hair swells. Light catches the raised edges, and you get that halo of flyaways and the texture that no amount of brushing will calm down.

A serum coats the outside of that hair. A mask softens it temporarily. Neither one changes the cuticle itself, which is why the frizz comes straight back the moment humidity does.

What keratin actually does differently

Keratin is the protein your hair is already made of. A keratin treatment replaces what's been stripped out by sun, heat, and chemical damage — and in doing so, it seals the cuticle.

Once that cuticle is sealed, humidity has nowhere to go. The water molecules that used to cause the swelling can't get in. Hair stays smooth whether the forecast says 40% humidity or 90%.

This is why keratin lasts three months while a serum lasts three hours. One works on the structure of the hair. The other sits on top of it.

How ANSWR compares to what you're probably using now

Method Cost How long it lasts Effort
Frizz serum $15–30 A few hours Every day
Deep conditioner $10–25 1–3 days Once or twice a week
Leave-in conditioner $10–20 A few hours Every day
ANSWR keratin $42.90–55.90 Three months One 90-minute application

At $42.90–55.90 every three months, you're looking at about $15–19 a month. If you're currently spending $50+ on frizz products, you'll save more than you spend — and you'll stop thinking about your hair as much.

Not all keratin is the same

A quick warning: cheaper keratin treatments — the ones at discount salons and on marketplaces — often contain formaldehyde. That's the source of the sharp chemical smell, and it's the reason some treatments are genuinely unsafe during pregnancy.

ANSWR is formaldehyde-free, vegan, and made with EU-sourced ingredients. No fumes. No mask required. Safe to use at home, pregnant or not.

The process, start to finish

Spray (10 min + 1 hour wait). Apply to clean, dry hair section by section. Comb through. Leave it for an hour.

Rinse and dry (30 min). Water only — no shampoo. Blow dry completely.

Seal (20 min). Straightening iron at 180°C, one-inch sections, slow pass from root to tip.

That's 90 minutes of your Sunday for three months of hair that behaves. Martha H. summed up how that feels:

"I am so impressed with this. ANSWR has been a miracle for my frizzy hair."

Who this is really for

Keratin isn't for everyone — if your hair is already straight and cooperative, you don't need it. But if you live in a humid climate, have thick or curly hair that frizzes no matter what you do, or you're quietly spending $50+ a month on products that mostly don't work, this is the thing worth trying.

The bottom line

You can keep buying serums that last an hour. Or you can fix the cuticle itself and stop thinking about frizz for three months at a time.

The second option is cheaper.


Shop the ANSWR at-home keratin kit → One application. Three months of smooth hair. No humidity tax.