Question 1

What's the difference between Throwback O2 and Si?

Accepted Answer

Throwback O2 is a feminine fragrance (marketed to women, though wearable by all) from Impulse (2023) dominated by Floral accords. Si is a feminine fragrance (marketed to women, though wearable by all) from Giorgio Armani (2013) leaning on Woody accords. They share 3 accords: Floral, Soft Spicy, Green.

Question 2

Which is better, Throwback O2 or Si?

Accepted Answer

By community rating, Throwback O2 scores 4.13/5 vs Si at 3.84/5. Si's standout strength: Beautiful blackcurrant note that stands out. The "better" choice depends on what you value — longevity, projection, season fit, or signature character.

Question 3

Do Throwback O2 and Si smell similar?

Accepted Answer

They share 1 notes and 3 accords, including Floral, Soft Spicy, Green, Freesia. Si: The community has mixed feelings about Si Intense, with significant division centered on reformulation issues.

Question 4

Which lasts longer, Throwback O2 or Si?

Accepted Answer

Si: Good performance on some skin types Longevity varies by skin chemistry, concentration, and application method.

Question 5

Which season suits Throwback O2 vs Si?

Accepted Answer

Throwback O2 scores highest for spring wear; Si scores highest for fall wear. Throwback O2 leans daytime, Si leans daytime.

Throwback O2 vs Si

Comparison Summary

Shared Notes (1)

Unique to Throwback O2 (8)

Unique to Si (6)

Shared Accords (3)

Frequently asked questions

Community Sentiment Pulse — Si

Positive

Negative

Attribute	Throwback O2	Si
Brand	Impulse	Giorgio Armani
Year	2023	2013
Rating	4.13	3.84
Concentration	—	—
Gender	feminine	feminine
Total Notes	9	7