Welcome to HCM
We understand your concerns
I went through your description. I suggest you not to worry much. The white and yellowish stuff you are finding around your penis head is simply a mixture of urine, dust, may be some sperm cells and other atmospheric and fabric impurities. The best alternative is to keep the area clean. If you start worrying about this, the worry might lead you towards anxiety
You might need psychological counseling
., I am more than happy to provide telephone psychological counseling through healthcaremagic. Contact me through customer care, www.healthcaremagic.com.
Hope this answers your query. Available for further clarifications.