Centella and its constituents are classified as weak contact sensitizers and some rare cases of allergic contact dermatitis exist
Overactive Thyroid (Hyperthyroidism) Some clinical evidence suggests that l-carnitine may improve symptoms of high thyroid hormones, such as rapid or pounding heartbeat, nervousness, and weakness [17]
doi: 10.1097/COH.0000000000000230 204 ReevesDBDukeERWagnerTAPalmerSESpivakAM
CrossRef Association of serum omentin-1 concentrations with the presence and severity of preeclampsia Haiping Liu, Jianfeng Wu, Haiyu Wang, Lianbing Sheng, Ning Tang, Yunfei Li, Tianyu Hao Annals of Clinical Biochemistry: International Journal of Laboratory Medicine.2015
When researchers measured this, reflection accounted for only about 4-5% of the protection (and less than SPF 2 on its own)