I wouldn't know from apples if these really did soak through your skin and replenish anything. I know that when I place one of these innocuous pads on my skin, I feel a bit tired then I get a mild headache. I've tried this on many occasions in different spots and I get the same feeling. I am unsure if this is unique or is it possible others experience random symptoms. The patches leave no marks and I don't believe I am having an allergic reaction but when I take pill form or edible forms of collagen, I have zero side issues. I can't say these are one star bad or five star good but these don't work with my body chemistry. I already have enough issues contributing to my headaches I don't want one more.

I might be in the minority based on other reviews, but I actually really like these patches!<br /><br />I take quite a few supplements and some other Rx medication as well. I worry sometimes about how much I'm actually absorbing when I take tablets or capsules.<br /><br />These are so easy to use... I actually keep them in my purse so I don't forget them and often put them on after I've gone to work. For me they stick EXTREMELY well. I'm not sure if it really depends on where you place them but mine have always stayed on for a full 8 hours and more often than not even longer than that (eh half the time I don't take off till the next morning.) I've even worn in the shower and they haven't come off. I would not advise this as it does say they're not waterproof and I'm sure it messes with the efficacy, but, that's how well they've stuck for me... I usually put them on my shoulder (usually on the front near my collar bone), chest, stomach, or inner arm. So they are invisible and safe from too much friction. I've noticed if I put on my side or certain areas of my skin that move more I can feel them more and so maybe for certain people this also makes the adhesive come up.<br /><br />It is a bit difficult to tell just how well these are working but for me I noticed an improvement in my nails! My nails are always brittle and break easily so are always very short and I noticed that after about a week and a half to two weeks my nails were actually growing! So I think it must have some affect. I did take off 1 star because I do wish it was a higher concentration of collagen, especially for the price, but that is my only downside to these!

I've been wearing these patches on and off for several weeks. The first two times I tried them I took them off after about two hours. I don't know if it is the ginseng they contain or just a coincidence but two days in a row, after applying the patches, I felt vaguely dizzy and sick to my stomach.<br /><br />After those initial 2 tries I didn't use them for about a week. I have tried again since then and not really noticed any benefit or detriment from using them. They're very thin, almost like the medical tape a phlebotomist would use after a blood draw. It is hard to believe they can contain any vitamins. Once applied you can see your skin through the weave. But what to I know about technology? I'm not a scientist.<br /><br />The package says to remove after eight hours. If you are even moderately active or sweat a bit they probably won't stay on eight hours. They're very soft and begin to roll up at the edges almost immediately after apppplication.<br /><br />I've worn vitamin patches in the past and they're always thicker and super sticky. Before you apply them you can usually see the texture and content of the patch. On these you cannot. They look the same on both sides, just one side is sticky.<br /><br />I wouldn't recommend these because I have not seen any benefit from them. But if you want to try them I think you'd be fine. I haven't had any negative reaction. There has been no tenderness at the application site or reaction to the adhesive. Just don't expect a miracle.

Easy to use, much better than taking 4 or more pills

Patch vitamins and collagen work great for me as I practice intermittent fasting, and cannot absorb vitamins orally. However, I take daily collagen and didn't want to break my routine. This alternative works for me and my skin, hair and nails continue to see the benefit from the collagen boost.<br /><br />I have anywhere from 1 to 4 patches of various vitamins and supplements on at any given time, and I can tell you they absolutely work. HIGHLY recommend.

I used this product for 30 days. Patch stays on well as long as it is applied to clean skin and is applied carefully to be flat and smoothed out. I am not sure how to know is the patch is working however. I haven't seen much change to my skin.