Loki Fact — November 5, 2026

Today's Fact

Sif's famous black hair was not a birthright or a fashion choice — it was a receipt for a prank and an unpaid bill.

LOKI CHEAPED OUT ON SIF'S REPLACEMENT HAIR — SO THE DWARVES MADE IT FROM NOTHING, AND IT GREW IN BLACK!

The Featured Fact

Every reader knows Sif by her raven-black hair, but she was born golden. As retold in Thor: Son of Asgard Vol. 1 #8 (2004), the young Loki, jealous of Thor and Sif's closeness, crept in while she slept and cut off all of her golden hair — then had to replace it before Thor's anger landed on him.

Loki begged the dwarf smiths Brokk and Eitri to craft new hair, but he was either unable or unwilling to pay them in gold. The dwarves settled the account with a craftsman's revenge: for the price of naught, they announced, they would make strands of naught — and spun Sif's new hair out of the blackness of night itself.

The dark strands took root the instant they touched her head and grew like living hair. The sabotage then failed on its own terms: Thor decided Sif looked even more striking with black hair, so Loki's attempt to spoil the romance produced the exact look Asgard now considers definitive — a permanent, growing reminder of his cheapest prank.

Why It's Obscure

One haircut, one unpaid invoice, and a goddess's signature look was settled forever.

Golden first

Born blonde — the young Sif of Asgard had golden hair, like most of her kin, before Loki's shears ever came out.

The prank

Cut while she slept — Loki sheared off every lock out of jealousy over Sif and Thor, then scrambled to undo the evidence.

The invoice

Paid in naught — Brokk and Eitri, short-changed by Loki, spun the replacement from pure night and let the colour be the punchline.

The backfire

Thor approved — the new black hair suited Sif so well that Loki's sabotage became her permanent, iconic look.

Gallery

Sif's black hair shown plainly in both panels — the dwarf-made strands that replaced her gold — plus Loki himself.

Black as night, literally. Sif in profile, her long black hair falling past her winged helm — hair the dwarves spun from darkness after Loki cut away her gold.

Lady Sif with black hair standing before Thor — **The look that stayed.** Sif front and centre with her black hair loose over her armour, Thor behind her — the prank's result, worn with total confidence.

Loki grinning in his golden horned helmet — **The cheapskate himself.** Loki in his golden horned helmet, grinning like a god whose barber bill is about to become mythology.

Sources

Every fact on this page was checked against at least two independent sources before publication.

Bullpen Bulletins

Marvel Database — Sif (Earth-616) Sif's history, including Loki cutting her golden hair and the dwarves Brokk and Eitri crafting black replacement strands from the night.
Screen Rant — Sif's Black Hair, Explained Account of the Thor: Son of Asgard telling: the cut hair, the reneged payment, and the dwarves' curse of black strands.
Wikipedia — Sif (character) Overview noting Sif's golden hair was turned black after Loki cut it and replaced it with enchanted dwarf-made hair.