Darbre, P.D., Aljarrah, A., Miller, W.R., Coldham, N.G., Sauer, M.J. and Pope, G.S. 2004. Concentrations of parabens in human breast tumours. Journal of Applied Toxicology. 24(1): 5-13.
Darbre, P.D. and Harvey, P.W. 2008. Paraben esters: review of recent studies of endocrine toxicity, absorption, esterase and human exposure, and discussion of potential human health risks. Journal of Applied Toxicology. 28(5): 561-578.
de Rapper, S., Kamatou, G., Viljoen, A. and van Vuuren, S. 2013. The in vitro antimicrobial activity of Lavandula angustifolia essential oil in combination with other aroma-therapeutic oils. Evidence-Based Complementary and Alternative Medicine.2013: 1-10
Goudarzi, M., Fazeli, M., Azad, M., Seyedjavadi, S.S. and Mousavi, R. 2015. Aloe vera gel: effective therapeutic agent against multidrug-resistant Pseudomonas aeruginosa isolates recovered from burn wound infections. Chemotherapy Research and Practice.2015: 1-5.
Hashemi, S.A., Madani, S.A. and Abediankenari, S., 2015. The review on properties of Aloe vera in healing of cutaneous wounds. Biomedical Research International. 2015: 1-6.
Herman, A., Herman, A.P., Domagalska, B.W. and Mlynarczyk, A. 2013. Essential oils and herbal extracts as antimicrobial agents in cosmetic emulsion. Indian Journal of Microbiology. 53(2): 232-237.
Ishiwatari, S., Suzuki, T., Hitomi, T., Yoshino, T., Matsukuma, S. and Tsuji, T. 2007. Effects of methyl paraben on skin keratinocytes. Journal of Applied Toxicology. 27(1): 1-9.
Kordsardouei, H., Barzegar, M. and Sahari, M.A. 2013. Application of Zataria multiflora Boiss. and Cinnamon zeylanicum essential oils as two natural preservatives in cake. Avicenna Journal of Phytomedicine. 3(3): 238-247.
Kumar Tyagi, A., Bukvicki, D., Gottardi, D. and Tabanelli, G., Montanari, C., Malik, A., Guerzoni, M.E., 2014. Eucalyptus essential oil as a natural food preservative: in vivo and in vitro antiyeast potential. BioMed Research International. 2014: 1- 9.
Lawrence, R., Tripathi, P. and Jeyakumar, E., 2009. Isolation, purification and evaluation of antibacterial agents from Aloe vera. Brazilian Journal of Microbiology.40(4): 906-915.
Mahboubi, M., Kazempour, N. and Mahboubi, A., 2014. The efficacy of essential oils as natural preservatives in vegetable oil. Journal of Dietary Supplements. 11(4): 334-346.
Panahi, Y., Sharif, M.R., Sharif, A., Beiraghdar, F., Zahiri, Z., Amirchoopani, G., Marzony, E.T. and Sahebkar, A., 2012. A randomized comparative trial on the therapeutic efficacy of topical aloe vera and Calendula officinalis on diaper dermatitis in children. The Scientific World Journal. 2012:1-5.
Purdel, N.C., Sirbu, A.E. and Nicolescu, F., 2015. Estrogenic burden of parabens used in child care products . Farmacia. 63(1): 118-122.
Routledge, E.J., Parker, J., Odum, J., Ashby, J. and Sumpter, J.P. 1998. Some alkyl hydroxy benzoate preservatives (parabens) are estrogenic. Toxicology and Applied Pharmacology. 153(1):12-19.
Soni, M.G., Burdock, G.A., Taylor, S.L. and Greenberg, N.A. 2001. Safety assessment of propyl paraben: a review of the published literature. Food and Chemical Toxicology 39(6): 513-532.
Srivastava, J.K., Pandey, M. and Gupta, S. 2009. Chamomile, a novel and selective COX-2 inhibitor with anti-inflammatory activity. Life sciences.85(19-20): 663-669.
Surjushe, A., Vasani, R. and Saple, D.G., 2008. Aloe vera: a short review. Indian Journal of dermatology. 53(4): 163-166.
Tavares, R.S., Martins, F.C., Oliveira, P.J., Ramalho-Santos, J. and Peixoto, F.P. 2009. Parabens in male infertility-is there a mitochondrial connection? Reproductive Toxicology. 27(1):1-7.
USP, 2015. Antimicrobial Effectiveness Testing (51), Thirty-Eighth ed. Council of Experts and its Expert Committees. The United States. 1(4):101-103