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Based on the available research, GHK-Cu (copper peptide) does not appear to cause sexual dysfunction like finasteride. The key points are:
1. GHK-Cu is a naturally occurring peptide in the human body that has been studied primarily for its potential anti-aging and skin rejuvenation effects. It is not a hormone or hormone-modulating drug like finasteride[1][2].
2. The main mechanism of action of GHK-Cu involves stimulating collagen production, promoting wound healing, and having antioxidant and anti-inflammatory properties[1][2]. This is very different from finasteride, which inhibits the enzyme 5-alpha reductase and alters hormone levels.
3. In the extensive research on GHK-Cu, there do not appear to be any reports of sexual side effects like decreased libido, erectile dysfunction, or ejaculatory problems that are associated with finasteride use[1][2][3].
4. The side effects reported for GHK-Cu are generally mild and include potential skin irritation when applied topically. Systemic side effects are rare when used as directed[3].
5. Finasteride's sexual side effects are thought to be related to its effects on androgens and neurosteroids in the body. GHK-Cu does not have these hormonal effects[6][7][8].
In summary, while finasteride has well-documented potential sexual side effects in some men, there is no evidence that GHK-Cu causes similar issues. The mechanisms and effects of these two compounds are very different. However, as with any supplement or medication, it's always advisable to consult with a healthcare provider before use, especially if you have any pre-existing health conditions or concerns.
Citations:
[1]
What Are Peptides? - Peptides Therapy Orchidia Medical Group
[2]
Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data - PMC
[3]
How Quickly Does Peptide Therapy Start Working? | Priority You
[4]
Does Finasteride Cause Erectile Dysfunction? | Wimpole Clinic
[5]
GoodRx - Error
[6]
Finasteride and sexual side effects - PMC
[7]
Persistent sexual side effects of finasteride for male pattern hair loss - PubMed
[8]
Global online interest in finasteride sexual side effects - International Journal of Impotence Research
[9]
Neuroticism Predicts Anxiety and Depression Disorders
[10]
Are Finasteride Side Effects Permanent? - HairScience
[11]
Finasteride and Dutasteride for the Treatment of Male Androgenetic Alopecia: A Review of Efficacy and Reproductive Adverse Effects | Published in Georgetown Medical Review