Redken Stay High 18 is a high-hold, high-shine finishing spray that is designed to give you long-lasting style and glossy shine. It is suitable for all hair types and can be used to create a variety of looks, such as adding volume and texture or locking in curls. The product also helps protect against humidity and heat, so you can enjoy your style for longer.

The key benefits of Redken Stay High 18 hair product are:
1. Maximum hold for all-day control
2. Adds lift and body to hair
3. Achieves high volume and texture
4. Enhances and defines curls and waves
5. Provides humidity resistance for an all-day, strong hold
6. Its lightweight formula won't weigh down hair
7. Adds shine and a natural finish
8. Provides a refreshing, invigorating scent.

Redken Stay High 18 is a high-hold volumizing hair spray that helps to create long-lasting styles with a natural shine. To use this product, first shake the bottle well. Then, hold the bottle 8 to 10 inches away from your head and spray lightly over your styled hair. After applying the spray, use your hands to shape and mold your hair into the desired style. Finally, apply a bit more spray to help lock in the style. Allow the product to dry for a few minutes before touching your hair.

Pros:
-Redken Stay High 18 is a lightweight gel that is designed to give your hair extra volume and height without leaving it feeling dry or sticky.
-It is ideal for creating styles such as updos, half-up/half-down styles, and ponytails.
-It also helps to protect your hair from heat damage from blow drying and styling tools.
-The product is formulated with proteins and polymers to help strengthen and protect your hair.

Cons:
-Redken Stay High 18 can leave your hair feeling a bit stiff and crunchy after application.
-The product is not ideal for people with fine or thin hair, as it can be too heavy and weigh down the hair.
-It is not suitable for those with oily hair, as it can make the hair look greasy.