Alright...so here's what you need to be aware of...surface piercings do have a tendancy to reject, in other words, it's easier for your body to just push it out like a sliver rather than heal it...this isn't true for some people, but for most it is...I have seen this piercing heal wonderfully on some people...partly it depends on your skin type(if you have thick or thin skin and if it is sensitive to irritation...ect.), partly it depends on proper jewelry(surface jewelry kind of looks like a staple, a bar in the middle with 90 degree bends upwards on each end and is designed to put as little pressure on your piercing as possible...as well it should be of a high quality 316LVM implant grade "surgical" stainless steel or titanium...anything lower quality and your body will just push it out...the piercer will know what you are talking about and if not leave, if they try and convince you that a lower quality piece is just as good...leave...bottom line, you get what you pay for and you should NEVER cheap out when you are dealing with your body), partly it depends on the piercer(take a look at the studio...is it clean looking? is it clean smelling? do they have an autoclave? are they willing to show you a monthly spore test showing that the autoclave is even working properly? take a look at the piercer...are they clean and hygenic looking? do they have a portfolio? is there surface piercings in it? is there GOOD surface piercings in it? what quality are the other types of piercings they have done? do you feel comfortable with them and feel that they know what they are talking about? do they have any medical related courses...ie:cpr,first aid, blood borne pathogens(diseases)courses?),partly it depends on you(are you willing to take on the responsiblity to keep it clean(no touchy)?...Are you willing to have two small scars on your sternum?(think about how this might look with a wedding dress) ...are you willing to take it out if it starts to reject to minimize the scarring?...are you willing to rub vitamin e oil on it after taking it out to minimize scarring?), and partly it depends on aftercare(what are you going to clean it with?...If you decide to get it done, PM me and I will send you an aftercare sheet. Some forms of aftercare are too harsh and will just piss your piercing off and it will reject.
Having a surface piercing looks amazing, but there is a lot of responsibility to keeping it for any long length of time...if you are willing to take it on just be aware that it might not work out for you and your body, but it also might!...take a while to think about it and research it so you are completely sure before you potentially scar your body for a piercing that might not last more than a couple months...if you are doing everything right, and you have "good skin", and you piercer isn't a hack then you have a good chance of keeping it for a while...I've had some last a few years...just make sure to shop around and visit every single shop and ask a million dumb questions before making up your mind who will do it for you...and if the jewelry is cheaper than other places...there is probably a reason why!
So, I'm writing like a mile a minute and adding punctuation all over the place so i hope that this all makes sense and if not PM and ask as many questions as you want, k?
And don't let me discourage you from getting it!...I just want you to stay safe and know what you are getting into...and as for pain...these piercings are super easy to get...you'll be pleasently surprised!...way easier than any of the cartilage you have done for sure!...also you don't want a "cleavage" piercing per say, you want to get it just a bit higher where there isn't so much movement and where it isn't getting squeezed by your breasts all the time...it will heal way better and be easier to see in a low cut shirt
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