Full face snorkel mask had been well recommended for snorkeling and the best thing about the use of this mask is that it allows you to breathe both from your nose and mouth underwater so you need not have separate pieces for it.
These types of snorkel are less intrusive, more hygienic, and you will be more relaxed with one of these on, rather than constantly clenching your mouth, and they are a bit less constrictive for people with respiratory issues.
With the raising concerns about full face snorkel mask, there is a need to ensure that such mask is used accordingly as to its purpose or as to what it is intended for, that is for recreational use or just floating on the surface and comfortably looking down onto the fishies.
The most common concern with full face snorkel mask is the CO2 build up, however seeing this concern already have made the manufacturers create innovations to ensure that this is addressed to the benefit of the user so that it can altogether more meet its intended purpose with all the safety.
So then, when you choose to purchase full face snorkel mask be sure to try on the mask and breath in it on land, and make sure only the breathing part should fog up when you try to breathe on it, and bear in mind the purpose of buying it that it is intended for relaxed snorkeling only and not made for freediving or extensive open water swimming.
Also one of the most important factors is to ensure that the mask fits well about your face and that its breathing part also fits neatly over your mouth and nose, because if this is not looked into properly, then you will have issues with the use of the mask.
The quality of the full face snorkel mask must be the top one and you have to be very wary of those that are out in the market, even on known online websites that are cheaper/knockoff models and imitations that have been the most cause of many safety-compromising issues about full face snorkel mask.
It will be a very good thing if you will make a very good and extensive research about the full face snorkel mask that you will be purchasing, getting all the info about its features and never compromise again with the price as it will be more preferable to purchase something expensive with a guaranteed quality and safety in its use.