No because me and my bestie always leave it in for hourrrrrs and always tell each other “it literally stops doing stuff after 30 mins” but still swear it last longer 😭
2025-11-03 20:55:44
204
jaden😛 (i follow back) :
let me live in delusion
2025-11-20 07:58:31
14
TheOriginalWhitney🪬🇨🇦 :
So it lasts for 2.5 hours longer then
2025-09-10 22:17:29
17
ur mom :
what about hair stain? maybe I'm saying it wrong (artic fox, manic panic)
2025-10-28 18:44:34
2
Sheeep🍉 :
sure, in laboratory conditions. but if I leave manic panic in for 30 minutes it'll wash out 70% in the first two (cold) washes, and be gone in two months, whereas if I leave it 2+ hours it'll cure in 2 washes and literally stain my hair to the point that it's still visible after 6 months. IDK about dye depositing or protein bonds or keratin structures or anything else, but I know a bottle of dye costs me $20+ and I am lazy so I'll keep watching a movie with a plastic bag over my hair twice a year 😅
2025-09-11 01:10:39
66
😐 :
i leave it on overnight so i can paint my walls in my sleep
2025-09-13 08:26:03
24
️norah :
oh
2025-11-10 01:34:41
0
june :
would the colour /not/ last longer on healthier & more moisturized hair? 🤔
2025-09-11 18:00:33
1
Joss Cade :
i wrap my head in saran wrap and sleep in it 😂 even if its not depositing more color i feel better about it and my hair is softer lmao (i use arctic fox)
2025-09-10 21:27:35
88
Fred :
if they were talking about direct depositing hair colo then that is correct. if it gas developper in it then its useless
2025-09-29 01:55:33
1
Naomi ♡ :
But does it make it more pigmented
2026-01-06 05:37:26
1
Morgan lmao🇨🇦 :
I used to use iro iro, its oil based so I'd hairdry it while it was sitting to give it like a hot oil treatment stain to my hair. my pink never faded
2025-09-10 21:10:02
5
Dean/Corvid :
I leave it until I remember to rinse it. Might be in an hour, might be in the morning.
2025-09-28 08:22:28
0
Lily_Mae :
ok but it makes it feeelllll like it lasts longer
2025-12-29 19:35:31
2
kit frost 🇵🇸🇨🇩🇸🇩 :
I find if I leave my semi permanent colour longer than 30/40 mins I can’t wash the dye out properly and it covers everything I own. Idk why that is, but it’s so annoying.
2025-09-10 20:02:32
13
Fruity.Anishinaabe :
Damn it I thought me adding an extra 5-10 minutes would do something 💔 at least I won’t be wasting my time now LOL
2025-11-08 17:31:50
1
Camryn ꩜ :
Im curious, is there a study or any proof of that? Because every other opinion about that I’ve heard is pretty mixed
2025-10-11 13:42:26
0
Lucian :
I leave it on until I have the energy to wash it off, sometimes that’s 45, sometimes that’s 4 hours, I don’t expect it to make ot last longer or be a different colour, I’m just disabled 😂
2025-10-28 08:08:26
0
Vank || FUJISAKI TWINS N1 FAN! :
I leave it till it drys
2025-10-26 15:56:00
0
row :
it makes me feel better okay
2025-12-20 20:56:08
0
🙈💗ryleeisocool💗🙊 :
when I got pink hair dye I did it for 30 mine and had a fade of pink just made my hair lighter so my brown hair became blonde idk how cause I did it 4 times and finally got pink so this time ima leave it for longwr
2026-05-18 04:44:30
0
🍋█ Amber█🍋🇨🇦 :
I leave it for half an hour to an hour I try for an hour but I usually get bored and wash it out
2025-11-04 19:42:30
0
Kadence 🎲 :
I leave it in for a rlly long time just in case but yeah i feel like ur right
2025-12-05 21:34:47
0
Ms.Shrimplover228 :
in my mind logically I know you're right because it makes sense, BUT THE ANECDOTAL EVIDENCE. THE ANECDOTAL EVIDENCE IS HAUNTING ME.
2025-11-01 20:37:18
1
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