The Thermafuse Heat-smart Serum Conditioner is a hair care product designed to provide conditioning and heat protection for your hair. It is part of the Thermafuse Heat-smart product line, which focuses on protecting and nourishing the hair, especially when exposed to heat styling tools like flat irons and curling irons.

Key features and benefits of the Thermafuse Heat-smart Serum Conditioner:

1. Conditioning: This conditioner is formulated to deeply condition and hydrate the hair, leaving it soft, smooth, and more manageable.

2. Heat Protection: One of the main features of the Heat-smart line is its ability to protect the hair from the damaging effects of heat styling tools. The conditioner works to create a protective barrier on the hair to reduce heat damage.

3. Detangling: It helps to detangle the hair, making it easier to comb or brush through, which can reduce breakage during styling.

4. Large Size: The size you mentioned, 33.8 fluid ounces (fl oz), is a relatively large volume, which means you'll have plenty of product to use over an extended period.

To use the Thermafuse Heat-smart Serum Conditioner, apply it to wet, clean hair, focusing on the mid-lengths and ends, and leave it on for a few minutes before rinsing thoroughly. This can help improve the overall health and manageability of your hair, especially if you frequently use heat styling tools.