how long does in last
1787797
In my experience, the treated hair, remain straight forever and that's why you don't re-treat the treated hair, just the new growth. I hope, I answered your question.
1787798
I last retouched my hair last summer (June 2014) and it lasted well until December. I am in need for a touch up again but even so my hair is still not as frizzy and besides my roots, the rest of my hair is still pretty tame (wavy/straight). I naturally have very curly hair.
1349855
Used it infrequently so it lasted a few months, but assume with frequent use a couple of weeks would be my guess. Maybe 3.
825990
My Herbalife supplier told me 6 weeks. However, I find that it only last about two weeks! Which is a lot of money to spend.
1140178
Mine has lasted for about a year and a half now. It all depends on what your using it for and how many times.
1737720
That's hard to say exactly. If you use a couple of drops each time (like it recommends) it should last for months, or longer.
1502826
The longest that I've used it is 4-5 minutes, but I didn't use it again the same day. It has held up fine.
312137
I really don't know. I had bought it for my mother in law. From what she has told me, they last a good while.
1334403
Mine lasted about 3 months. I uses it 2-3 times per week. It really goes a long way.
550647
We are up to 1000 hours no issues..... We use in the "movie room" so not as normal TV, so hours are not high (video games, family movie night, and kids Netflix of whatever). Went in easy, fit perfect, and good color. How long it lasts in total no clue
1501728
Depends on how often they use it, but with one I wouldn't imagine too often, more than three months I would say...sorry I can't give you an exact amount.
1602190
This doesnt last very long.....probably 3 weeks for me....depends on how much you use and how often. So it can get expensive. But it is the best.
2077973
If you're asking how long it will last, I would say for about 3-4 months maybe even longer!
1905345
it varies. usually 6-12 mos. some of the. really low priced ones are less than 6 mos and sometimes the seller will state this. I usually don't worry since I use so many in a month. seller should be able to let you know prior to buying.
1661221
It's more like they get worn down after extended use. I'd say with daily use it lasts 4-6 months depending on your operation.
356887
I use this device a lot in my cleaning business so they only last about 2 to 3 weeks. I would guess several months with normal household use.
1379736
I usually get about 3 to 4 hours. It just depends on what I am doing. If I am just reading or playing a slow paced game it will last longer than if I am playing a fast paced game which is what I am usually doing. Good Luck.
2140512
Depending on type and length of use, my son's stays going for days to weeks before needing charged again. I have noticed no decrease in length of life after owning it several months now. This is the best way to go in my opinion.