Question 1

What's the difference between Siento and Black Opium?

Accepted Answer

Siento is a feminine fragrance (marketed to women, though wearable by all) from Rosario Flores (2008) dominated by its signature accords. Black Opium is a feminine fragrance (marketed to women, though wearable by all) from Yves Saint Laurent (2014) leaning on Vanilla accords. They share no primary accords — distinctly different profiles.

Question 2

Which is better, Siento or Black Opium?

Accepted Answer

By community rating, Siento scores 3.65/5 vs Black Opium at 3.94/5. Black Opium's standout strength: Versatile statement fragrance choice mentioned in community recommendations. The "better" choice depends on what you value — longevity, projection, season fit, or signature character.

Question 3

Do Siento and Black Opium smell similar?

Accepted Answer

They share a small fraction of their ingredients — expect noticeably different experiences. Black Opium: Black Opium by YSL is recognized by the r/fragrance community as a popular statement fragrance choice, particularly mentioned as an example of a bold evening scent.

Question 4

Which lasts longer, Siento or Black Opium?

Accepted Answer

Black Opium: Strong sillage and projection appreciated by wearers Longevity varies by skin chemistry, concentration, and application method.

Question 5

Which season suits Siento vs Black Opium?

Accepted Answer

Siento scores highest for spring wear; Black Opium scores highest for winter wear. Siento leans daytime, Black Opium leans evening.

Siento vs Black Opium

Comparison Summary

Unique to Black Opium (11)

Community Sentiment Pulse — Black Opium

Positive

Negative

Frequently asked questions

Attribute	Siento	Black Opium
Brand	Rosario Flores	Yves Saint Laurent
Year	2008	2014
Rating	3.65	3.94
Concentration	—	—
Gender	feminine	feminine
Total Notes	0	11