The sweatband is better than a sweatguard as I like to drop my head down/stretch when in an aero position and the sweat would pour out of a sweatguard. Although the sweatband still lets a small amount thru on the side I tend to tilt to, it is still the best head sweat product I've used so far.
Solved My Problem
I hike the hills in the San Diego area. I hike with trekking poles and, on uphill stretches, it was very frustrating to have sweat trickling into my eyes and burning. I hated to stop and break my rhythm/momentum so first I'd close one eye and keep going but eventually I'd have to stop and wipe the sweat from my face before continuing for a few more minutes. I purchased the X2 headband in April and loved it immediately but was still curious how it would work in warmer temperatures. Now, after a few hikes in the mid-90s, I still love it. I wear it low on my forehead, with the bottom actually covering my eyebrows, and it works great. No more burning eyes and I never have to stop now. Thanks Sweathawg!