Add punctuation: Passionate and determined she is convinced that education for all is the key to a better world and through her work she hopes to contribute to promoting science as a captivating and fun career path
A: Passionate and determined, she is convinced that education for all is the key to a better world and, through her work, she hopes to contribute to promoting science as a captivating and fun career path.

Add punctuation: The DNRF will send full applications to three international foreign highlevel experts within the relevant scientific areas for external peer review
A: The DNRF will send full applications to three international (foreign) high-level experts within the relevant scientific area(s) for external peer review.

Add punctuation: The exclusive technology SP POLISHING TECHNOLOGY thanks to special oils treating substances and polymers of different texture acts filling the gaps that are found on the surface species of the hair restoring the natural shine to the hair
A:
The exclusive technology SP POLISHING TECHNOLOGY, thanks to special oils, treating substances and polymers of different texture, acts filling the gaps that are found on the surface species of the hair, restoring the natural shine to the hair.