![I've had a lot of dandruff with large flakes and irritation for a while and I can't figure out what it is, could anyone help? : r/HaircareScience I've had a lot of dandruff with large flakes and irritation for a while and I can't figure out what it is, could anyone help? : r/HaircareScience](https://external-preview.redd.it/-xDhC5Zra7EJ591O0dcQHMw21DC1_yM4xPDCX4nYtz4.jpg?auto=webp&s=88869da4a5c489e0feb578b819a0664d44d2b125)
I've had a lot of dandruff with large flakes and irritation for a while and I can't figure out what it is, could anyone help? : r/HaircareScience
![Why do I have this red patch? I have bumps on my scalp and it's itchy and when I scratch my scalp an oily thick substance comes in my nails and small Why do I have this red patch? I have bumps on my scalp and it's itchy and when I scratch my scalp an oily thick substance comes in my nails and small](https://external-preview.redd.it/K1-TUAf9oQG_uooqt5v4ZGqFzKxdMJlcCyRulLNSzOA.jpg?width=640&crop=smart&auto=webp&s=4d830f01f6c2df143b68bd5831d8fdf6a09e3c0b)
Why do I have this red patch? I have bumps on my scalp and it's itchy and when I scratch my scalp an oily thick substance comes in my nails and small
![Dandruff Scratching Half Head Psoriasis Flakes Removal Scalp Big Flakes itchy scalp on my wife - YouTube Dandruff Scratching Half Head Psoriasis Flakes Removal Scalp Big Flakes itchy scalp on my wife - YouTube](https://i.ytimg.com/vi/wvbtbm14Rns/maxresdefault.jpg)