I'm still a Cathy Howse faithful. I've read her book a few times and have used all 3 of her products. Dew is the best spray moisturizer in the world!!! (for me
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Her DC is a hard/strong protein treatment so you do need to follow up with a moisturizing conditioner if you use it. It's really good though. It does stimulate your scalp and makes your hair considerably stronger. I was using it once a week, every week, and my hair was resilient and much healthier.
Her creme moisturizer is also amazing. When my hair needs heavier moisturizers, I use this; sometimes by itself, sometimes mixed with NTM leave-in or John Frieda's Night serum. My hair is always soft, shiny, and bouncy. It's not oily and it has no smell
As for her dew moisturizer, I ran out a while ago but haven't purchased more because of money... lol. I do need it though as it's a staple of mine. I use it after I've finished washing and seal with NTM leave-in and oils. I also use it before flat ironing, as a heat protectant. It does wonders, smells yummy, and is very light. Leaves my hair swangin'
I recommend everything she has as everything she has done and sold has done me wonders; to each, his or her own, however. She's also why I started my hair journey. After my mom big-trimmed my hair last year, I used her products faithfully, was on point with my moisture/protein balance like she said. I retained a lot of length and my hair grew like weed... until I stopped lol.