What is Relata Technica?

Relata Technica is an International e-Journal on Dermopharmaceutical and Cosmetic Science and Technology, and related Skin subjects.
Since its establishment in 1964, Relata Technica aim is to offer comprehensive skin research contents related to the most interesting and exciting areas of skin care.

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Tribute to Professor
Dr Giorgio Maria Rialdi

I wish to dedicate this brief biographical editorial to my Father who, after having lived intensely without ever sparing himself and faced in silence a long and complex illness, wrapped, cared for and protected by the affection of his loved ones, passed away at the age of eighty-eight, seven months and nine days.
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Omaggio al Professore
Dr Giorgio Maria Rialdi

Desidero dedicare questo breve editoriale biografico a mio Padre, che dopo aver vissuto intensamente senza mai risparmiarsi e affrontato nel silenzio una lunga e complessa malattia, avvolto, curato e protetto dall’affetto dei suoi cari, se n’è andato all’età di ottantotto anni, sette mesi e nove giorni.
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The most recent literature shows that the damage caused by solar radiation continues to be significant even in the hours following sun exposure. This mechanism is mediated by melanin. Humans are more exposed to solar radiation damage than animals because their melanin is not found in the hair shaf...


Dalla letteratura più recente si evince che il danno prodotto dalle radiazioni solari si protrae in modo rilevante anche nelle ore successive all’esposizione solare. Tale meccanismo è mediato dalla melanina. L’Uomo è più esposto a danni da radiazioni solari rispetto agli animali perché la sua mel...

A novel and unique active (*) integrating dermal and epidermal activities

(*)Integrine-60® (Patented TM of Vevy Europe, Genova, Italy) ABSTRACT Several research projects are aimed at developing bioactive materials to enhance keratinocytes and/or fibroblasts activities. One promising methodology, widely adopted to identify active substances, is the screening of natur...


Physiologic efficacy and harmlessness in cosmetic hair lotions

The role of Auxina Tricogena® In our field, chemistry is closely intertwined with biology, as well as with dermatology, pharmaco-toxicology, and cosmetology. Due to these complex interconnections, one can see how the cynicism of plagiarists can easily be demolished. The consumers’ health is jeopard...

The risks associated with herbalism

A particularly numerous and widespread category of vegetable matter with carcinogenic effect are pyrrolizidine alkaloids. They are present in hundreds of plants, especially in the different varieties of Senecio, but also in those of crotalaria, Heliotropium, Lappul, Symphytum, Petasites and Tussilag...


As reported in a previous communication the increasing demand for environmental friendly and green cosmetics led the formulator to a quite forced, one-way switch to vegetable-derived ingredients, especially in the area of extracts, emollients and gelling agents. Hydroplastidines and Lipoplastidine...

Healthy Chemistry

Keratin and keratinocytes

What is epidermis? It is now right to ask ourselves what the epidermis is, what new ideas about it we have acquired and why the old schemes must be basically modified. By epidermis, we mean the section embodied between the basal membrane (which separates it from the dermis) and the external surfa...

Safe and effective lipids for new mineral oil- and lanolin-FREE formulations

Oils, waxes and their derivatives constitute a very large and important class of basic cosmetic and pharmaceutical raw materials. They are used mainly as vehicles and emollients for a very wide range of creams, lotions, ointments, lipidic gels, oils, pastes and soaps. Lanolin, mineral oil, petrolatu...

Skin and Stress, Stress and Skin: a new Basic Experimental Acquisition

Research carried out at our laboratories was led to the finding of a major scientific datum which might influence future formulations engineered for the skin. It has been proven that the keratinocytes of the epidermis can autonomously produce stress hormones. More precisely, we ascertained that the ...

Images from Atlas

Human skin. 25 year old man

Human skin. 25 year old man

Skin of a guinea-pig

Skin of a guinea-pig