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I'm looking for products that promote healthy hair growth, focusing on enhancing thickness and overall vitality. Please provide detailed information on your available items that meet these criteria, including any natural ingredients or effective formulations that can support hair health. Additionally, I'd like to know about the different options you offer, such as formulations for various hair types or any special treatments. If you have any customer testimonials or scientific backing for your products, that would be great too. Looking forward to your response with pricing and available quantities.