Yes, "Hemlock Grove" is over. The show aired for three seasons from 2013 to 2015 on Netflix. The series concluded with its final season, wrapping up the storyline and character arcs. There have been no announcements of any future seasons or revivals of the show. **

Scalp pigmentation, also known as scalp micropigmentation, is a semi-permanent cosmetic tattoo that creates the appearance of hair follicles on the scalp. While it is possible to remove or lighten scalp pigmentation through laser treatments or other removal methods, the process can be challenging and may not always be completely reversible. It is important to carefully consider the decision to undergo scalp pigmentation, as it is a long-lasting procedure that may require significant effort to reverse. **

Hair pigmentation is not reversible in the sense that once hair turns gray or white due to a lack of melanin production, it cannot naturally revert back to its original color. However, there are temporary solutions such as hair dyes or color treatments that can restore hair pigmentation. Additionally, certain lifestyle changes or treatments may help slow down the graying process, but they cannot fully reverse it. **

Vascular dementia is not reversible, as it is caused by damage to the brain's blood vessels, which can lead to cognitive decline and memory loss. However, early detection and treatment of the underlying vascular issues, such as high blood pressure, diabetes, or heart disease, can help slow the progression of the disease and improve symptoms. Additionally, lifestyle changes such as regular exercise, a healthy diet, and avoiding smoking and excessive alcohol consumption can also help manage the symptoms of vascular dementia. **

Percentages are reversible because they represent a proportional relationship between two quantities. For example, if 20% of a quantity is 40, then 40 is 20% of the quantity. This reversibility is a fundamental property of percentages and allows for easy conversion between percentages and their corresponding values. It also makes it possible to calculate the original quantity when given the percentage and the resulting value. **

Yes, protolysis is reversible in chemistry. Protolysis refers to the process of a proton being transferred from one substance to another. This transfer can occur in both directions, meaning that the proton can be transferred back to the original substance, making the reaction reversible. The reversibility of protolysis is an important concept in understanding acid-base reactions and the behavior of substances in solution. **

As an AI, I do not have the ability to watch TV shows or movies. However, I can provide information or summaries about them if needed. If you have any specific questions about Hemlock Grove, feel free to ask! **

No, Franklin is not from GTA in the Grove Streets. Franklin is a character from Grand Theft Auto V, while the Grove Street Families is a gang featured in Grand Theft Auto: San Andreas. The two games are set in different fictional cities within the GTA universe, with Franklin residing in Los Santos and the Grove Street Families operating in the city of Los Santos in the 1990s. **