In severe infection, repeat injection after 24 or 48 hours
The four ingredients are methionine, choline, carnitine, and dexpanthenol
Most likely, they will not recommend the supplement unless the benefits outweigh the risks
In one study with participants consuming 6mg of astaxanthin per day and applying a topical solution containing astaxanthin showed positive results in 8-weeks (30 Healthy Female Adults)[vi] One study that did a comprehensive review of the use of astaxanthin on skin health, repair, and disease concluded that astaxanthin is a promising compound in the field of dermatology
It typically appears 2-3 months after a triggering event such as childbirth, surgery, severe illness, crash dieting, or extreme stress