Acknowledgements

This work was supported by the University of Ferrara (Bando FIR-2016 to Silvia Vertuani) and Ambrosialab srl, Ferrara (Grant 2017). We thank Anna Maria Brincat (Clubclass Residential Language School, Swieqi, Malta) and Luigi Mastroianni (State Language High School "Giosuè Carducci" Ferrara, Italy) for their careful English revision.

Chemical name Name of common ingredient

2-Ethylhexyl 4-(dimethylamino)benzoate/padimate O (USAN:

2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid and its


6-disulfonic acid)/bisdisulizole disodium (USAN)

ethylhexyl)oxy)phenol)/bemotrizinol



BAN)

2,2<sup>0</sup>

2,2<sup>0</sup>

sodium salt/sulisobenzone

butyl)phenol)/bisoctrizole

Sodium salt of 2,2<sup>0</sup>

2-Ethylhexyl salicylate/octisalate Ethylhexyl salicylate 5%

Dimethicodiethylbenzalmalonate Polysilicone-15 10% Titanium dioxide Titanium dioxide 25%

Aminobenzoic acid (PABA) Up to 15% Avobenzone Up to 3% Cinoxate Up to 3% Dioxybenzone Up to 3% Homosalate Up to 15% Menthyl anthranilate Up to 5% Octocrylene Up to 10% Octyl methoxycinnamate Up to 7.5% Octyl salicylate Up to 5% Oxybenzone Up to 6% Padimate O Up to 8% Phenylbenzimidazole sulfonic acid Up to 4% Sulisobenzone Up to 10% Titanium dioxide Up to 25% Trolamine salicylate Up to 12% Zinc oxide Up to 25% Ensulizole Up to 4% Homosalate Up to 15%

Name of common ingredient glossary Concentration allowed

Benzoic acid, 2-[4-(diethylamino)-2-hydroxybenzoyl]-, hexylester Diethylamino hydroxybenzoyl

glossary

Benzophenone-4, benzophenone-5

Disodium phenyl

hexyl benzoate

Methylene bis-benzotriazolyl tetramethylbutylphenol

dibenzimidazole tetrasulfonate

Bis-ethylhexyloxyphenol methoxyphenyl triazine

Ethylhexyl dimethyl PABA 8%

Guidelines for the Development of Herbal-Based Sunscreen

http://dx.doi.org/10.5772/intechopen.72712

Maximum concentration in ready-for-use preparation

57

5% (as acid)

10% (as acid)

10%

10%

10% in sunscreen products
