The Layered HALO® is our most popular extension. Uniquely designed and unlike any other product available, it has 2-3 built-in, gradual layers, providing a seamless blend with natural hair. With 30% more grams than The Original HALO®, The Layered HALO® delivers maximum volume for dense or thick hair.

Halo is an American military science fiction television series developed by Kyle Killen and Steven Kane for the streaming service Paramount+.

The Nanlite Halo 18 is an LED ring light that's bicolor and dimmable, and comes with a smartphone bracket. It provides attractive, soft light. Learn more here!

The HALO® 90 Å HPLC C18 reverse phase column is a universal phase for acids, bases and neutral solutes. See product details.

A beautiful center diamond is set within a scattered square halo of diamond pavé to create this geometrically gorgeous pendant necklace. Sign up for Macy's WorryNoMore® Jewelry & Watch Protection program within 30 days of purchase. Before delivery, call Customer Service 1-800-289-6229 to sign up.

This sleek, energy-efficient 18 in. LED undercabinet features HALO's signature low-profile design. Ideal for task, accent, cove and display lighting. The selectable color tuning switch allows users to simple adjust the color temperature to suit their lighting needs.

Halo-18 Microdrive. Provides up to 18 independently drivable shuttles to position up to 16 tetrodes with 11mm shuttle travel. Two additional shuttles available for fiber optics or reference electrodes. Custom “half moon” drive screw head and calibrated Turn Tool provide positive, accurate 16 micron depth adjustment.

Bulk pack includes 18 LTE recessed LED trims. 3000K color temperature. 600 Lumens. Dims to 10% with compatible phase cut dimmers. 120-Volt input. Baffle trim. Air-tite and wet location Listed

The Halo-18 Microdrive allows up to 16 tetrodes to be inserted into a freely moving animal. Two additional insertion shuttles can be used to insert fiber optics or reference electrodes. Features: • 18 independent drivable shuttles: 16 tetrode, 2 for fiber or reference • 11 mm insertion depth • Customizable exit pattern