Unfortunately, specific hair loss conditions and issues can become irreversible, even with the highest quality formulas. For example, according to Healthline, cicatricial alopecia, a typeof hair loss caused by numerous other health conditions, can cause hair loss where the follicles become replaced with scar tissue and therefore cannot experience any regrowth or regeneration. Anyone who has experienced previous hair loss due to a health condition may look to identify the exact causes, conditions, and effects to ensure the loss is reversible through topical treatments.