Any carpet cleaning experts?

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We now have some large coloured crayon lines right in the middle of my cream carpet

Have a small off cut of same carpet and we have recreated the marks and tried Vanish carpet spray - didn't work
Iron and cloth - didn't work and melted the carpet
50/50 bleach and water - has faded it slightly but you can still see it.

Please can anyone suggest something? What would a professional use? Can it be saved at all?

It's not a wool carpet btw. Bleach cleanable, so polypropylene I think.

Crayons are oil based so try mayonnaise on your test patch, then clean that off with soap.

Fairy liquid is your friend here. No other washing up liquid works, but scrub with fairy and it’ll loosen the stain beautifully. It’s worked on everything I’ve ever tried it on (on advice from an industrial chemist)!

Yep we did washing up liquid, and then vax cleaning solution with a good scrub

Rug Doctor Spot and Stain remover (Homebase stock it). My husband has a carpet cleaning business and that’s what he’d use.

What Cunning said. Fairy liquid scrubbed into stain then cold water rinse off. Gets just about any stain off anything

Thanks everyone. Best result was the fairy over the bit I had previously done with bleach.
Going to buy the rug doctor stuff tomorrow.
They are big lines so definitely going to need some serious elbow grease 💪🏼

I use ace bleach on all carpet stains and it does the job great.

WD-40 is fabulous at getting crayon stains out of carpet 👌

Someone on here suggested shaving foam once. No idea if it works.

Another vote for fairy liquid here. Amazing stuff on carpets... I use it in our vax carpet cleaner.

Just incase anyone has found this post with a crayon carpet emergency.

I got it out. I used WD40 first then the Rug Doctor spot and stain remover. Lots of scrubbing and blotting and it's away.

Thanks everyone who replied.

Used a rental carpet cleaner today, mostly a success. The jar of olives son dropped on a cream carpet is going to need a little more work.