| abstract |
The invention discloses a kind of soluble microneedle device, including microneedle array and substrate, the microneedle array and substrate include the raw material components of following weight percentage：Polyvinylpyrrolidone 0~80%, hyaluronic acid or its salt 0~80%, poloxamer 0~20%, sodium carboxymethylcellulose 0~10%；Wherein, it is zero during the weight percent content difference of hyaluronic acid or its salt and polyvinylpyrrolidone；It is zero during the weight percent content difference of poloxamer and sodium carboxymethylcellulose.The invention also discloses application of the above-mentioned soluble microneedle device in cosmetics or slow releasing pharmaceutical are prepared.The soluble microneedle device of the present invention, it can effectively delay the rate of release of cosmetic composition or medicine, hence it is evident that improve beauty or therapeutic effect, have broad application prospects. |