I don't have curly hair, but if you're willing to spend the money, Ojon has a deep therapy mask that's amazing (good for all kinds of dry and/or damaged hair).
If not, you could try making one at home - combine an avocado, 1 can of coconut milk, and 1 tablespoon of olive oil in a blender until it's creamy - I've also heard of adding honey. Massage in, leave on for about 5 minutes, rinse out. I think the left overs can be stored, but I'm not sure for how long.
You can probably find some other good homemade recipes online as well.
Washing curly hair every day or alternate days can be very drying.
Have you ever tried "Co-washing", also known as conditioner washing? This is a way to clean the hair without using shampoo at all. Washing your hair with conditioner, or co-washing, is often considered very good for curly hair and consists of cleansing the hair with a basic rinse-out conditioner.
You wet your hair, apply a couple of tablespoons of conditioner to your hair, massage into the roots, through to the ends and leave it on your hair for 3-5 minutes (if you do this at the start of your shower you can complete the second step right before you get out) then before you rinse your hair, massage your scalp again (it does sort of lather up but not as much as shampoo does) then rinse out and wrap to dry (no rubbing).
Many people with curly hair that has previously been dry have tried this method and get healthy, shiny looking hair without expensive or messy treatments.
HERE is an article about it that might explain it all better.
lol, i am about to reveal exactly how hair-concerned i am...
ahem. there is a 'hair typing' scale. yes, it's cheesy/marketing-y etc, but it's been picked up enough that people away from that site know what eg "2-c" hair is, and can offer product recommendations that seem to work better for it.
like, i have fine, wavy hair (lots, but it's fragile). products for thick, very curly hair w heavy oils & lots of silicone don't work so well for me. lighter oils (like jojoba) help me more.
also - some hair needs more 'moisture' than 'protein'. (no idea what is actually meant by either, but hair 'science' goes thusly - would appreciate help from those who might know): the stuff with a lot 'protein' in it can make hair strong, but brittle if you use too much. 'moisturizing' conditioners (no or less protein) can make it softer. (when i use high-protein conditioners, my hair feels straw-like.)
I've seen posts on hair forums that use the hair typing and never knew what they were talking about. I also just learned I'm apparently a 2A. Cool. :o
Yeah, there's always someone out there with funny ideas. I like makeupalley.com when I'm stuck, bc there's like a weighted rating system (as well as comments).
(I'm also 2a/bish :) )
The side effects of allergy medications keep some people from using them. Natural remedies can be a great alternative, but some are more effective than others.