7-Day Hair Care Habit
Follow one simple hair care step daily, like gentle brushing or detangling. Check in once a day.
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Fashion · Facts & stats · iChallenge network
Daily facts and stats about hair salons, hair care and the history of salons, plus real challenges to put them to work.
What protein makes up most of human hair?
Keratin is the tough structural protein in hair and nails.

One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Follow one simple hair care step daily, like gentle brushing or detangling. Check in once a day.
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Try a new hairstyle at home using tools you already own. Post a photo link.
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Hold a small conversation night with friends or family on one chosen topic, in the spirit of historic salons. Post a short write-up.
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Live counts from SalonChallenge.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on SalonChallenge.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
Play today's quiz round, post your score, and start a streak.
XP, levels, streaks and badges. Save your progress with an email and it follows you to every arena on the iChallenge network.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.