A boy to girl makeup transformation involves using makeup to create a feminine appearance on a male face. The product details, positive and negative aspects, and ingredients or materials used in such transformations are not explicitly mentioned in the search results. However, some of the search results provide tutorials and tips on how to create a boy to girl makeup transformation. For example, Jecca Blac offers gender-free makeup products and provides tips on how to apply makeup for trans women. They recommend using a hydrate primer, blur and matte primer, and cream-based pigments for the eyes, cheeks, and lips. Milani Rosa and NARS Exhibit A are recommended for highlighting and blush, respectively. Black Radiance Beauty and UCANBE are recommended for eyeliner and eyeshadow, respectively. College Fashion provides a list of makeup essentials that every college woman should own, including face primer, foundation, concealer, blush, highlighter, and applicators. However, it is important to note that the specific products and techniques used in a boy to girl makeup transformation may vary depending on personal preference and the desired outcome.