Dense small particles on the face need to be taken according to the specific causes of the solution, such as keratosis pilaris, chestnut pimples, contact dermatitis, etc., after a clear diagnosis to take the general treatment, medication, physical therapy and other ways. 1. Keratosis pilaris: Keratosis pilaris will cause the phenomenon of dense small particles on the face, you can use tazarotene gel, vitamin A cream and other medications to achieve the purpose of softening keratin. In addition, you can also choose to supplement vitamin A or laser to improve keratosis pilaris. 2. Keratosis Pilaris: Keratosis Pilaris can also cause dense small particles on the face. You can choose laser ablation and electrodesiccation to alleviate Keratosis Pilaris, which can be done by using a laser to vaporize the surface skin and then using a sterile needle to pick out the contents, thus removing the facial particles. 3. Contact dermatitis: facial contact with allergic substances may cause contact dermatitis, patients can use tacrolimus ointment, fusidic acid cream and other drugs to apply, if necessary, can be combined with oral antihistamines such as loratadine and other drugs. There are many reasons for the dense small particles on the face, it is recommended that patients go to the hospital in time to improve the examination, clear diagnosis, give standardized treatment. The medication should be used in accordance with the doctor’s instructions.