Editing Lavandula (section)

== Health risks ==
The U.S. [[National Center for Complementary and Integrative Health]] (NCCIH) states that lavender is considered likely safe in food amounts, and that [[topical medication|topical uses]] may cause [[allergic reaction]]s.<ref name="nih">{{cite web |date=1 August 2020 |title=Lavender |url=http://nccih.nih.gov/health/lavender/ataglance.htm |access-date=4 July 2022 |publisher=National Center for Complementary and Integrative Health, US National Institutes of Health}}</ref> The NCCIH does not recommend the use of lavender while pregnant or breastfeeding because of lack of knowledge of its effects.<ref name="nih" /> It recommends caution if young boys use lavender oil because of possible hormonal effects leading to [[gynecomastia]].<ref name="nih" /><ref name="Oils 'make male breasts develop'">{{cite web |date=February 2007 |title=Oils 'make male breasts develop' |url=http://news.bbc.co.uk/2/hi/health/6318043.stm |access-date=2018-03-17 |publisher=British Broadcasting Corporation}}</ref><ref name="More evidence essential oils 'make male breasts develop'">{{cite web |date=March 2018 |title=More evidence essential oils 'make male breasts develop' |url=https://www.bbc.com/news/health-43429933 |access-date=2018-03-17 |publisher=British Broadcasting Corporation}}</ref>

A 2007 study examined the relationship between various fragrances and [[photosensitivity]], stating that lavender is known "to elicit cutaneous photo-toxic reactions", but does not induce [[hemolysis|photohaemolysis]].<ref name="Placzek-2007">{{cite journal |last1=Placzek |first1=M |last2=Frömel |first2=W |last3=Eberlein |first3=B |last4=Gilbertz |first4=KP |last5=Przybilla |first5=B |date=2007 |title=Evaluation of phototoxic properties of fragrances. |journal=Acta Dermato-Venereologica |volume=87 |issue=4 |pages=312–6 |doi=10.2340/00015555-0251 |pmid=17598033 |quote=Also, oils of lemon, lavender, lime, sandalwood, and cedar are known to elicit cutaneous phototoxic reactions, but lavender, sandalwood, and cedar oil did not induce photohaemolysis in our assay...Lavender oil and sandalwood oil did not induce photohaemolysis in our test system. However, a few reports on photosensitivity reactions due to these substances have been published, e.g. one patient with persistent light reaction and a positive photo-patch test to sandalwood oil |doi-access=free}}</ref>

Some people experience [[contact dermatitis]], allergic [[eczema]], or facial [[dermatitis]] from the use of lavender oil on skin.<ref name="drugs" /><ref name="nih" />