Dealing with dry and frizzy hair can be frustrating, but there are several effective tips and strategies to tame and moisturize your locks:

1. Shampoo Wisely: Choose a sulfate-free shampoo that is specially formulated for dry or frizzy hair. Sulfates can strip the hair of its natural oils, exacerbating dryness. Look for shampoos containing ingredients like shea butter, avocado oil, or jojoba oil that help to moisturize.
2. Condition Regularly: Use a rich, moisturizing conditioner every time you shampoo. Focus on the mid-lengths to ends of your hair and leave it on for a few minutes before rinsing to allow the ingredients to penetrate.
3. Deep Conditioning Treatments: Once a week or as needed, treat your hair with a deep conditioning hair mask. Leave it on for the recommended time (often 10-30 minutes) to deeply hydrate and nourish your hair.
4. Leave-In Conditioner: After showering, apply a leave-in conditioner or hair serum specifically designed for dry and frizzy hair. This helps to seal in moisture and protect hair from humidity.
5. Minimize Heat Styling: Limit the use of blow dryers, flat irons, and curling irons. When you must use heat, always apply a heat protectant spray and use the lowest heat setting possible.
6. Air Dry Whenever Possible: Allow your hair to air dry naturally, as excessive heat can dry out your hair further. If you must use a dryer, use a diffuser attachment to distribute heat evenly.
7. Trim Regularly: Regular trims help to get rid of split ends, which can make frizz worse.
8. Drink Plenty of Water: Proper hydration from the inside out contributes to healthier hair.
9. Protect Overnight: Sleep on silk or satin pillowcases to reduce friction and tangles, which can lead to frizz.
10. Healthy Diet: Consume foods rich in omega-3 fatty acids, vitamins A, B, C, and E, and minerals like zinc and iron, which promote healthy hair.
11. Oil Treatments: Use natural oils like coconut oil, argan oil, or olive oil as a pre-shampoo treatment or as a finishing touch on dry hair to lock in moisture.
12. Humidity Control: In humid climates, use anti-frizz products that contain polymers which form a protective barrier on hair to block excess moisture.

By following these tips consistently, you should see a noticeable improvement in the hydration levels and manageability of your dry, frizzy hair.