The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. How to use PhD 5-in-1 Styler Merchant Video Who is Living Proof's Perfect hair Day (PhD) 5-in-1 Styling Treatment for? PhD Styling Treatment is for everyone looking for the perfect balance of treatment and styling benefits in one product for smoothness, volume, conditioning, strength and polish. Can I blow dry and air dry my hair when using PhD 5-in-1 Styling Treatment? Yes, PhD Styling Treatment works well when air drying and blow drying. Each technique gives a different look. Blow dry hair section by section for extra smoothness and/or body and volume. What is the fragrance in PhD Styling Treatment? The scent is a similar light citrus fragrance to what is found as most other Living Proof products. It will not smell identical to any other product, though, as each product is formulated differently. Does it have any heat or UV protection? Yes, PhD Styling Treatment offers both heat and UV protection. It contains ingredients that creates a weightless barrier to protect hair from the heat up to 450 degrees and contains UV defense that absorbs harmful, damaging UV rays from the sun. Are there any tricks for styling your hair with PhD Styling Treatment? For best results, style with a blow dryer. The performance of PhD Styling Treatment is enhanced with heat.