Evidence supporting the use of: Terpinen-4-ol
For the health condition: Scabies
Synopsis
Source of validity: Scientific
Rating (out of 5): 3
Terpinen-4-ol is a major component of tea tree oil (Melaleuca alternifolia) and has been studied for its acaricidal (mite-killing) properties, including against Sarcoptes scabiei, the causative agent of scabies. Laboratory studies have demonstrated that terpinen-4-ol exhibits significant in vitro activity against scabies mites. For instance, research published in peer-reviewed journals (e.g., Walton et al., 2004; Carson et al., 2013) has shown that concentrations of terpinen-4-ol can kill scabies mites and eggs, sometimes more rapidly than standard treatments such as permethrin. Additionally, there have been small clinical reports and case series suggesting that tea tree oil-based formulations, and by extension terpinen-4-ol, may be effective in managing scabies infestations and associated symptoms such as itching and secondary infection.
However, large-scale randomized controlled trials are lacking, and most clinical evidence comes from small studies or anecdotal reports, not from terpinen-4-ol as a single isolated agent but rather as part of tea tree oil preparations. Nonetheless, the scientific basis for its use is supported by laboratory and limited clinical data, justifying a moderate rating for evidence. Conventional therapies remain the first-line treatments, but terpinen-4-ol is considered a promising adjunct or alternative, especially in cases of resistance or intolerance to standard scabicides.
Other health conditions supported by Terpinen-4-ol
AcneAthlete's Foot
Bites and Stings
Boils
Burns and Scalds
Cuts
Dermatitis
Fungal Infections
Infection
Infection (bacterial)
Infection (viral)
Inflammation
Itching
Itching Ears
Jock Itch
Lice
Rashes and Hives
Scabies
Scratches and Abrasions
Skin (infections)
Staph Infections
Thrush
Wounds and Sores