Scientific references:

Vitamin C, Zinc : These promote collagen synthesis. Skin is rich in collagen, which is critical for skin structure, texture and integrity.

Biotin: According to NIH’s Office of Dietary Supplements, biotin deficiency causes hair thinning leading to hair loss, scaly and red skin rash, skin infection, and nail brittleness among others.

Malus domestica, Citrus limon, Phyllanthus emblica, & Rosa canina: These fruits are excellent source of vitamin C, which not only boost immunity, but also collagen synthesis, a key component of skin tissues.

Actaea racemosa: A. racemosa extract containing cream resulted in significant improvement of pimples. [Seidlova-Wuttke and Wuttke, Eur J Integ Med, 2008, 1(s1):40]

Aronia melanocarpa: One of the strongest antioxidant fruits in Nature, Aronia berries contain immunity-modulating compounds, & health protective properties. [Int J Mol Sci, 2014, 15(7):11626-36; Molecules, 2013, 18(12):14989-99]

Astragalus membranaceus: Astragalus root is a well-known Chinese traditional herb that boosts immunity and protects healthy body. [J Nat Med, 2009, 63(4):421-9; Comparative Study, 1994, 14(11):664-6].

Bixa orellana: Compounds found in B. orellana powerful antioxidant and immunity promoting properties & were found to modulate melanin synthesis in skin tissues. [Anantharaman et al., J. Biosci. Bioeng, 2016, 121:13–20]

Calendula officinalis: Calendula is used to improve skin health in many skin conditions. Calendula is highly rich in many powerful antioxidants, such as lycopene, lutein, zeaxanthin, meso-zeaxanthin, and carotinoids etc., which would offer strong protection of skin from oxidative damage, and promote healthy skin. [Parente et al., Evid Based Complement Alternat Med, 2012: 375671]

Capsicum annuum: C. annuum is very rich in vitamin C, which promotes synthesis of collagen, a major component in skin tissues, which makes it firm and supple. Also rich in vitamin A & vitamin B6, which, along with vitamin C, boost immune health, and protects skin from germs and pathogens. [Ekom et al., Biomed Res Int, 2021, Article: 4303902].

Centella asiatica: Bioactive compounds in C. asiatica, such as madecassoside and asiaticoside, improves certain skin disorders by blocking abnormal differentiation of cells and excessive proliferation of keratinocytes. [Parsaeimehr et al. (20217), In The Microbiology of Skin, Soft Tissue, Bone and Joint Infections, Chapter 13, p. 205-221]

Cinnamonum cassie:  Cinnamon barks possess powerful antioxidant and healthy immunity modulating properties. [Am J Chin Med. 2006, 34(3):511-22; Allergy, 1995, 50(12):995-9; Antivir Chem Chemother, 2009, 19(6): 243-55]

Curcuma longa: Curcumin, a powerful antioxidant and healthy immunity promoting constituent of C. longa exerts many health benefits. [Alt Med Rev, 2009 Jun, 14(2):141-53]

Cuscuta semens: C. semens extracts prevented skin problems, and compounds in C. semens modulate melanogenesis and have skin brightening and pimple suppressing properties. [Nisa et al., J Ethnopharmacol, 1986, 18(1), p. 21-31; Liu et al., Braz J Med Biol Res, 2018 51(7): e7256; Kim & Li, Kor J Aesthet Cosmetol, 2012,10(3):493-501].

Diospyros kaki: Traditionally used to improve & promote healthy skin, D. kaki leaf extracts showed bioactivities, such as promotion of collagen synthesis and protection of collagen & elastin, which would protect the skin connective tissues and promote healthy skin. [An et al., Dermatol Surg, 2005, 31(7-2):848-54]

Elettaria cardamomum: Rich in antioxidant compounds, E. cardamomum showed powerful health-beneficial properties through promotion of healthy immune responses. [Molecules, 2017 Jul 15, 22(7): 1191; Curr Med Mycol, 2016 Jun, 2(2): 8-15]

Euterpe oleracea: Loaded with antioxidant compounds, such as anthocyanins, E. oleracea (acai) berry is the richest antioxidant value fruit known. Acai antioxidants are found to fight oxidative stress, and protect cells and tissues from damages [J Agric Food Chem, 2012, 60(4): 1084-93].

Foeniculum vulgare: F. vulgare extract was also found to protect the integrity of collagen, an integral component of skin tissues, while exerting suppressive action against melanogenesis [Nam and Lee, 2016; Shim et al., 2017; Woo et al., FASEB J, 2020, 34 (S1): 03738]

Ganoderma lucidum: Ganoderma extracts promotes skin wound healing, reduces skin photoaging, skin whitening, and improving other skin problems. [Yin et al., Adv Exp Med Biol, 2019, 1182:311-321]

Linum usitatissimum (Flaxseed): Flaxseed is highly rich in alpha-linolinic acid, the precursor of omega 3 fatty acid, which nourishes the skin, protects skin from UV radiation damage, and improves pimples [Lipids Health Dis., 2008, 7: 36; Carcinogenesis, 2003, 24(5):919-25]

Lycium barbarum (Goji berry): Goji berry is one of the richest source of beta-carotene, precursor of vitamin A. It is also rich in vitamin C, which promotes collagen, an important skin constituent. Vitamin C and vitamin A also boost immune health, which is essential for healthy functioning of all tissues. Goji berry is a rich source of xeanthin. And xeanthin, vitamin C and beta-carotene are powerful antioxidants, and would prevent oxidative stressed caused damages to skin tissues, the primary site of environmental pollutants induced oxidative assaults.

Mentha spicata: Studies showed that M. spicata can improve skin problems, such as facial hair growth in women by reducing testosterone levels [Akdogan et al., Phytother Res, 2007, 21(5):444-7; Grant, Phytother Res, 2010, 24(2):186-8]

Panax ginseng: Ginseng, a famous health-boosting traditional Chinese herb, is known for improving immunity.

Pinus pinaster: Bark of P. pinaster is an excellent reservoir of antioxidants, and has healthy immunity promoting properties. [Nutrients, 2019 Jan 22, 11(2): 214; Int J Antimicrob Agents, 2020 Dec, 56(6): 106191]

Piper nigrum: Piper nigrum (black pepper) is a flavour-enhancing spice with potent antioxidant and immunity-modulating properties. Piperine, its major bioactive compound, also enhances the absorption of other nutrients such as curcumin, a powerful health-boosting compound found in turmeric. [Arthritis Res Ther, 2009, 11(2): R49]

Polygonum cuspidatum: A powerful antioxidant and immunity-modulatory herb, P. cuspidatum has potent health-beneficial nutritional properties [J Clin Endocrinol Metab, 2010, 95(9):E1-8.20534755; Int J Prev Med, 2013, 4(suppl 1):S1-4.23717757; J Ethnopharmacol, 2013, 148(3):729-745.23707210]

Psoralea corylifolia: P. corylifolia has long been used in Chinese medicinal tradition for healing skin problems. It exerts skin-beneficial effects via healthy differentiation of cells and proliferation of keratinocytes [Parsaeimehr et al. (20217), In The Microbiology of Skin, Soft Tissue, Bone and Joint Infections, Chapter 13, p. 205-221].

Rosa canina: An extremely rich source of vitamin C, which is needed for collagen synthesis, R. canina fruit (rosehip) powder treatment resulted significant improvement of facial wrinkles, skin moisture, and elasticity after 8 weeks. [Phetcharat et al., Clin Interv Aging, 2015, 10: 1849-1856]

Salvia rosmarinus: Through its strong  antioxidant and healthy immunity promoting constituents (rosmarinic acid and carnosic acid etc.), rosemary boosts immune function and exerts health protective actions. [J Agric Food Chem, 2007 Sep 19, 55(19): 7879-85; Future Sci OA, 2018 Apr, 4(4): FSO283]

Sambucus nigra: S. nigra fruits are rich in antioxidant and immunity promoting compounds, and are shown to protect health [J Int Med Res, Mar-Apr 2004, 32(2): 132-40; Antivir Chem Chemother, 2009, 19(6): 243-55]

Serenoa repens: S. repens has suppressive effect on the production of dihydrotestosterone, which promotes skin disorders, such as pimples and hair fall.

Syzygium aromaticum: S. aromaticum is loaded with antioxidant and other powerful bioactive nutrients that modulate immune responses and boost health & wellness [Braz J Microbiol. 2012 Oct-Dec, 43(4): 1255-1260; Asian Pac J Trop Biomed, 2014 Feb, 4(2): 90-96]

Trifolium pratense: T. pratense is traditionally used to promote skin and hair health as well as to improve various skin disorders. In a study, T. pratense flower significantly improved the texture, appearance and overall quality of their hair and skin. [Lipovac et al., Obstet Gynecol Int, 2011: 949302]

Uncaria tomentosa: Uncaria, a medicinal herb from the amazon forest, has powerful antioxidant and healthy immunity promoting actions. [Phytomedicine, 2001 Jul, 8(4):267-74; Inflamm Res, 2001 Sep; 50(9):442-8]

Urtica dioica (Stinging nettle): Traditionally used to improve skin health, nettle has powerful antioxidant activity that protects the skin against environmental pollutants induced oxidative damages, while it also preserves the integrity of collagen & elastin, which are integral to skin connective tissue structure. [Bourgeois et al., Comptes Rendus Chimie, 2016, 19(9):1090-1100]

Vitis vinifera: Grape seed has potent antioxidant and healthy immunity promoting properties, while having high content of vitamin E and omega fatty acid. All these properties can offer powerful benefit to skin health. Grape seed was found exert healthy skin promoting action in women. [Yamakoshi et al., Phytother Res, 2004, 18(11): 895-9]

Zingiber officinale (ginger): Ginger has strong antioxidant and healthy immunity promoting properties, which protect healthy cells and tissues [Asian Pac J Trop Biomed, 2012 Aug, 2(8): 597–601]