First of all, you should determine your hair properties. Here's a link to help Curly Hair Basics | Live Curly Live Free This will help you with choosing ingredients/products. It will also help people give you advice.
When the dewpoints are higher, hair likes more protein. Even those with protein sensitivity tolerate more of certain proteins. I do at least one PT a week and use a lot of products with protein, add protein spray or ingredients like Sea Kelp Biofermant. It really helps with volume and frizz. We've had dewpoints in the mid 70's the last 3 weeks and my hair hasn't been bad.