FRAGDNA

Dupe review · Oakcha

Secret Duchess

Secret Duchess is Oakcha's answer to By Kilian Princess.

By Kilian Princess
OriginalPrincessBy Kilian
Oakcha Secret Duchess
This dupeSecret Duchess$92/100ml
Smells like
By Kilian Princess
Price
$45.95
Size
50ml
Per 100ml
$92
Original per 100ml
—
Made by
Oakcha

The FragDNA review

Oakcha Duchess: Ginger‑laden, but far from Princess

FragDNA · compiled from 1 review and 5 short takes from Parfumo wearers · 22 October 2026

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Opening
A burst of ginger and green‑tea leaves the first spray bright and spicy.
Dry-down
It settles into a watery vanilla with a faint peach nuance, lacking the citrus‑floral and marshmallow richness of Princess.
Longevity
Lasts well, lingering for many hours even after a shower.
Projection
Noticeable but not overpowering, a gentle trail.
Best for
Fans of ginger‑spiced gourmand who prefer a lighter sweetness.

Oakcha Secret Duchess is marketed as the affordable twin of By Kilian Princess, aiming to capture the gourmand appeal while offering a distinct twist. Buyers are drawn to its promise of a sweet vanilla base tempered by spice, and the ginger‑forward opening sets it apart from the more floral‑citrus start of the original. The fragrance is positioned as a ginger‑heavy alternative for those seeking something less overtly edible.

Wearers agree the opening is dominated by ginger and a fresh green‑tea vibe, a departure from Princess’s bergamot, neroli and orange blossom. Some detect a hint of marshmallow sweetness, but many report a watery vanilla dry‑down with a subtle peach note, and a lack of the original’s rich marshmallow and citrus heart. Consequently, the dupe feels more linear and less layered than its high‑end counterpart.

In practice the scent persists for a solid span of time, often surviving a wash, though its projection stays modest. At its price point it offers decent value for ginger‑loving gourmand fans, but those chasing the full floral‑citrus‑marshmallow portrait of Princess may be disappointed. It works best in casual settings or cooler months where its warm spice can shine without overwhelming.

The verdictOakcha Duchess captures a ginger‑spiced vanilla mood but falls short of the complex floral‑citrus gourmand of Princess, earning roughly a third of the original’s character.

What we read: Parfumo wearers · Parfumo.de wearers

6.9/ 10

Strong contender

FragDNA score · on paper

On paper

Strong contender. That is where Secret Duchess lands when you weigh what it costs, what it is made of and how firmly it is matched to Princess.

Oakcha sells it on the name alone — no note list of its own — so the brief is Princess's pyramid, and the closeness votes below are the real test.

At $92 per 100ml it costs 83% less than Princess — the 6th cheapest of 10 twins we can price.

Value9.2
Evidence7.0

Reviewed on paper: from the notes and strength Oakcha publishes, the price per 100ml, and how firmly the match is claimed. How it really smells on skin is what the votes below are for.

What it's built to smell like

What it is chasing: bergamot and neroli up top, orange blossom and marshmallow in the middle, vanilla, musk and Tonka Bean underneath — the shape of By Kilian Princess.

Top

  • bergamot
  • neroli

Heart

  • orange blossom
  • marshmallow

Base

  • vanilla
  • musk
  • Tonka Bean
Fizzy neroli over marshmallow vanilla, sunny and sugared without tipping into cloying.

How it ranks against the other twins

Of the 11 twins of By Kilian Princess we can price, Secret Duchess is number 6 on price per 100ml.

  1. 01 The Essence Vault Princess $51/100ml
  2. 02 The Essence Vault The Essence Vault $51/100ml
  3. 03 The Essence Vault Princess $51/100ml
  4. 04 HK Perfumes Sweet Hell $89/100ml
  5. 05 Perfume Parlour American Princess $91/100ml
  6. 06 Oakcha Secret Duchess $92/100ml
  7. 07 Julianna's Perfume - West Sac Factory Miss Fuchsia $98/100ml
  8. 08 Perfume Parlour Royalty Not Needed $122/100ml
  9. 09 Scentual Obsessions Independent Princess $133/100ml
  10. 10 Oil Perfumery Princess $152/100ml
All 11 twins of Princess →

The community

What people say about Secret Duchess

Rating

—

How close to Princess

—

Would buy again

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Longevity

Projection

Best in

SpringSummerAutumnWinter

    Questions

    What does Oakcha Secret Duchess smell like?

    It is built to smell like By Kilian Princess — bergamot and neroli up top, orange blossom and marshmallow in the heart, vanilla, musk and Tonka Bean in the base.

    Is Oakcha Secret Duchess a dupe of By Kilian Princess?

    Yes — Oakcha sells it as its version of By Kilian Princess.

    Where can I buy Oakcha Secret Duchess?

    It is in stock at $45.95 for 50ml — the link on this page goes straight to the shop.

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